938878656 has 28 divisors (see below), whose sum is σ = 2484116952. Its totient is φ = 312959488.

The previous prime is 938878649. The next prime is 938878657. The reversal of 938878656 is 656878839.

It is a self number, because there is not a number n which added to its sum of digits gives 938878656.

It is not an unprimeable number, because it can be changed into a prime (938878657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2444805 + ... + 2445188.

Almost surely, 2^938878656 is an apocalyptic number.

938878656 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

938878656 is an abundant number, since it is smaller than the sum of its proper divisors (1545238296).

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

938878656 is a wasteful number, since it uses less digits than its factorization.

938878656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4890008 (or 4889998 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 60.

The square root of 938878656 is about 30641.1268722284. The cubic root of 938878656 is about 979.1964313809.

The spelling of 938878656 in words is "nine hundred thirty-eight million, eight hundred seventy-eight thousand, six hundred fifty-six".