938172164 has 12 divisors (see below), whose sum is σ = 1653786204. Its totient is φ = 465661824.

The previous prime is 938172121. The next prime is 938172173. The reversal of 938172164 is 461271839.

It can be written as a sum of positive squares in 2 ways, for example, as 516198400 + 421973764 = 22720^2 + 20542^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855449 + ... + 856544.

It is an arithmetic number, because the mean of its divisors is an integer number (137815517).

Almost surely, 2^938172164 is an apocalyptic number.

It is an amenable number.

938172164 is a deficient number, since it is larger than the sum of its proper divisors (715614040).

938172164 is a wasteful number, since it uses less digits than its factorization.

938172164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712134 (or 1712132 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 938172164 is about 30629.5962102017. The cubic root of 938172164 is about 978.9507595769.

The spelling of 938172164 in words is "nine hundred thirty-eight million, one hundred seventy-two thousand, one hundred sixty-four".