38379900 has 108 divisors (see below), whose sum is σ = 120403752. Its totient is φ = 9434880.

The previous prime is 38379889. The next prime is 38379917. The reversal of 38379900 is 997383.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 50322 + ... + 51078.

Almost surely, 2^38379900 is an apocalyptic number.

38379900 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38379900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60201876).

38379900 is an abundant number, since it is smaller than the sum of its proper divisors (82023852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38379900 is a wasteful number, since it uses less digits than its factorization.

38379900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 38379900 is about 6195.1513298708. The cubic root of 38379900 is about 337.3141912756.

The spelling of 38379900 in words is "thirty-eight million, three hundred seventy-nine thousand, nine hundred".