38872520 has 32 divisors (see below), whose sum is σ = 87739200. Its totient is φ = 15499968.

The previous prime is 38872513. The next prime is 38872549. The reversal of 38872520 is 2527883.

It is a happy number.

It is a super-2 number, since 2×38872520² = 3022145622300800, which contains 22 as substring.

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, 13007 + ... + 15713.

It is an arithmetic number, because the mean of its divisors is an integer number (2741850).

Almost surely, 2^38872520 is an apocalyptic number.

It is an amenable number.

38872520 is an abundant number, since it is smaller than the sum of its proper divisors (48866680).

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

38872520 is a wasteful number, since it uses less digits than its factorization.

38872520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3077 (or 3073 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 38872520 is about 6234.7830756170. The cubic root of 38872520 is about 338.7512438510.

The spelling of 38872520 in words is "thirty-eight million, eight hundred seventy-two thousand, five hundred twenty".