38903900 has 72 divisors (see below), whose sum is σ = 97389600. Its totient is φ = 13213440.

The previous prime is 38903897. The next prime is 38903933. The reversal of 38903900 is 930983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104114 + ... + 104486.

Almost surely, 2^38903900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38903900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48694800).

38903900 is an abundant number, since it is smaller than the sum of its proper divisors (58485700).

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

38903900 is a wasteful number, since it uses less digits than its factorization.

38903900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 38903900 is about 6237.2990949609. The cubic root of 38903900 is about 338.8423721077.

The spelling of 38903900 in words is "thirty-eight million, nine hundred three thousand, nine hundred".