In honor of my 38th birthday, here are 38 fun facts about the number 38:

- 38 is the natural number following 37 and preceding 39.
- 38 is an even number.
- 38 is a composite number.
- 38 is a deficient number.
- 38 is an odious number.
- 38 is a square-free number.
- 38 is an Ulam number.
- The 4 factors of 38 are 1, 2, 19, and 38.
- The square root of 38 is 6.164414.
- 38 is the eleventh distinct semiprime number.
- 38 is the sum of the squares of the first three prime numbers.
- 38 is the sum of each row in a magic hexagon.
- 38 is the largest even number which cannot be written as the sum of two odd composite numbers.
- 38 is the largest known even number which can be represented as sum of two distinct primes in only one way.
- 37 and 38 are the first pair of consecutive positive integers not divisible by any of their digits.
- There is no answer to the equation φ(x) = 38.
- 38 is the atomic number for strontium.
- The Messier object M38 is a magnitude 7.0 open cluster in the constellation Auriga.
- The New General Catalogue object NGC 38 is a spiral galaxy in the constellation Pisces.
- The 38th parallel north is the pre-Korean War boundary between North and South Korea.
- In Norse mythology, the number 38 was said to represent unnatural bravery.
- In Egyptian mythology, the number 38 was characteristic of Anubis, the jackal-headed god of death and mummification.
- An American roulette wheel has 38 slots.
- In the television series
*Stargate-SG1*, the gate can stay open a maximum of 38 minutes. - St. Andrew the apostle died in the year 38 A.D.
- The Roman numeral for 38 (XXXVIII) is last in alphabetical order.
- It took the Israelites 38 years to travel from Kadesh Barnea to the Zered valley in Deuteronomy.
- Gerald R. Ford (who was president the year I was born) was the 38th president.
- The .38 Special is a rimmed, centerfire cartridge designed by Smith & Wesson.
- .38 Special is the name of a Southern rock band.
- 38 is the number of games that each team in the current English Premiership, the top division in English Association Football, plays in a season.
- The 38 class is the most famous class of steam locomotive used in New South Wales.
- 38 is the number of the French department Isère.
- Pope Siricius was the 38th pope.
- Colorado was the 38th state to be admitted to the Union.
- 38 was the calling code assigned to Yugoslavia.
- Major League pitcher Curt Schilling wore the number 38.
- 38 in binary is 100110.