313638328 has 16 divisors (see below), whose sum is σ = 591030000. Its totient is φ = 156030336.

The previous prime is 313638289. The next prime is 313638329. The reversal of 313638328 is 823836313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313638329) 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, 96913 + ... + 100096.

It is an arithmetic number, because the mean of its divisors is an integer number (36939375).

Almost surely, 2^313638328 is an apocalyptic number.

It is an amenable number.

313638328 is a deficient number, since it is larger than the sum of its proper divisors (277391672).

313638328 is a wasteful number, since it uses less digits than its factorization.

313638328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197214 (or 197210 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 313638328 is about 17709.8370404699. The cubic root of 313638328 is about 679.4273783743.

The spelling of 313638328 in words is "three hundred thirteen million, six hundred thirty-eight thousand, three hundred twenty-eight".