38331928 has 8 divisors (see below), whose sum is σ = 71872380. Its totient is φ = 19165960.

The previous prime is 38331919. The next prime is 38331941. The reversal of 38331928 is 82913383.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2395738 + ... + 2395753.

Almost surely, 2^38331928 is an apocalyptic number.

It is an amenable number.

38331928 is a deficient number, since it is larger than the sum of its proper divisors (33540452).

38331928 is a wasteful number, since it uses less digits than its factorization.

38331928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4791497 (or 4791493 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 38331928 is about 6191.2783817238. The cubic root of 38331928 is about 337.1735935234.

The spelling of 38331928 in words is "thirty-eight million, three hundred thirty-one thousand, nine hundred twenty-eight".