938117920 has 48 divisors (see below), whose sum is σ = 2249408448. Its totient is φ = 369642240.

The previous prime is 938117911. The next prime is 938117927. The reversal of 938117920 is 29711839.

938117920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (938117927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33036 + ... + 54475.

It is an arithmetic number, because the mean of its divisors is an integer number (46862676).

Almost surely, 2^938117920 is an apocalyptic number.

It is an amenable number.

938117920 is an abundant number, since it is smaller than the sum of its proper divisors (1311290528).

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

938117920 is a wasteful number, since it uses less digits than its factorization.

938117920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87593 (or 87585 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 938117920 is about 30628.7107139690. The cubic root of 938117920 is about 978.9318919566.

The spelling of 938117920 in words is "nine hundred thirty-eight million, one hundred seventeen thousand, nine hundred twenty".