316872388 has 12 divisors (see below), whose sum is σ = 633744832. Its totient is φ = 135802440.

The previous prime is 316872383. The next prime is 316872407. The reversal of 316872388 is 883278613.

316872388 is an admirable number.

It is a super-2 number, since 2×316872388² = 200816220553645088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (316872383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5658408 + ... + 5658463.

Almost surely, 2^316872388 is an apocalyptic number.

It is an amenable number.

316872388 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

316872388 is a wasteful number, since it uses less digits than its factorization.

316872388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11316882 (or 11316880 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The square root of 316872388 is about 17800.9097520323. The cubic root of 316872388 is about 681.7546868430.

The spelling of 316872388 in words is "three hundred sixteen million, eight hundred seventy-two thousand, three hundred eighty-eight".