38872904 has 32 divisors (see below), whose sum is σ = 84049920. Its totient is φ = 16509696.

The previous prime is 38872891. The next prime is 38872913. The reversal of 38872904 is 40927883.

It is a super-2 number, since 2×38872904² = 3022205330786432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3257 + ... + 9399.

It is an arithmetic number, because the mean of its divisors is an integer number (2626560).

Almost surely, 2^38872904 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 38872904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42024960).

38872904 is an abundant number, since it is smaller than the sum of its proper divisors (45177016).

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

38872904 is a wasteful number, since it uses less digits than its factorization.

38872904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6269 (or 6265 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 38872904 is about 6234.8138705177. The cubic root of 38872904 is about 338.7523592924.

The spelling of 38872904 in words is "thirty-eight million, eight hundred seventy-two thousand, nine hundred four".