38981592 has 48 divisors (see below), whose sum is σ = 113699040. Its totient is φ = 11994048.

The previous prime is 38981587. The next prime is 38981603. The reversal of 38981592 is 29518983.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19888 + ... + 21759.

It is an arithmetic number, because the mean of its divisors is an integer number (2368730).

Almost surely, 2^38981592 is an apocalyptic number.

It is an amenable number.

38981592 is an abundant number, since it is smaller than the sum of its proper divisors (74717448).

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

38981592 is a wasteful number, since it uses less digits than its factorization.

38981592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41672 (or 41665 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 38981592 is about 6243.5240049190. The cubic root of 38981592 is about 339.0677808446.

The spelling of 38981592 in words is "thirty-eight million, nine hundred eighty-one thousand, five hundred ninety-two".