313623872 has 28 divisors (see below), whose sum is σ = 624695220. Its totient is φ = 156220416.

The previous prime is 313623857. The next prime is 313623889. The reversal of 313623872 is 278326313.

It can be written as a sum of positive squares in 2 ways, for example, as 42823936 + 270799936 = 6544^2 + 16456^2 .

It is a congruent number.

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, 8108 + ... + 26324.

Almost surely, 2^313623872 is an apocalyptic number.

313623872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

313623872 is a deficient number, since it is larger than the sum of its proper divisors (311071348).

313623872 is a wasteful number, since it uses less digits than its factorization.

313623872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18498 (or 18488 counting only the distinct ones).

The product of its digits is 36288, while the sum is 35.

The square root of 313623872 is about 17709.4289010120. The cubic root of 313623872 is about 679.4169396490.

The spelling of 313623872 in words is "three hundred thirteen million, six hundred twenty-three thousand, eight hundred seventy-two".