317638968 has 16 divisors (see below), whose sum is σ = 794097480. Its totient is φ = 105879648.

The previous prime is 317638963. The next prime is 317638991. The reversal of 317638968 is 869836713.

It is a self number, because there is not a number n which added to its sum of digits gives 317638968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317638963) 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, 6617455 + ... + 6617502.

Almost surely, 2^317638968 is an apocalyptic number.

It is an amenable number.

317638968 is an abundant number, since it is smaller than the sum of its proper divisors (476458512).

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

317638968 is a wasteful number, since it uses less digits than its factorization.

317638968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13234966 (or 13234962 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The square root of 317638968 is about 17822.4287907120. The cubic root of 317638968 is about 682.3040127456.

The spelling of 317638968 in words is "three hundred seventeen million, six hundred thirty-eight thousand, nine hundred sixty-eight".