938168520 has 32 divisors (see below), whose sum is σ = 2814505920. Its totient is φ = 250178240.

The previous prime is 938168503. The next prime is 938168533. The reversal of 938168520 is 25861839.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 3908916 + ... + 3909155.

It is an arithmetic number, because the mean of its divisors is an integer number (87953310).

Almost surely, 2^938168520 is an apocalyptic number.

It is an amenable number.

938168520 is an abundant number, since it is smaller than the sum of its proper divisors (1876337400).

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

938168520 is a wasteful number, since it uses less digits than its factorization.

938168520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7818085 (or 7818081 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 938168520 is about 30629.5367251939. The cubic root of 938168520 is about 978.9494921119.

The spelling of 938168520 in words is "nine hundred thirty-eight million, one hundred sixty-eight thousand, five hundred twenty".