38873904 has 40 divisors (see below), whose sum is σ = 102878832. Its totient is φ = 12641280.

The previous prime is 38873899. The next prime is 38873909. The reversal of 38873904 is 40937883.

It is an interprime number because it is at equal distance from previous prime (38873899) and next prime (38873909).

It is a super-2 number, since 2×38873904² = 3022360824402432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38873909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7909 + ... + 11844.

Almost surely, 2^38873904 is an apocalyptic number.

It is an amenable number.

38873904 is an abundant number, since it is smaller than the sum of its proper divisors (64004928).

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

38873904 is a wasteful number, since it uses less digits than its factorization.

38873904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19805 (or 19799 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 38873904 is about 6234.8940648579. The cubic root of 38873904 is about 338.7552640531.

The spelling of 38873904 in words is "thirty-eight million, eight hundred seventy-three thousand, nine hundred four".