317242864 has 40 divisors (see below), whose sum is σ = 644244480. Its totient is φ = 151048128.

The previous prime is 317242859. The next prime is 317242873. The reversal of 317242864 is 468242713.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86149 + ... + 89755.

It is an arithmetic number, because the mean of its divisors is an integer number (16106112).

Almost surely, 2^317242864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 317242864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322122240).

317242864 is an abundant number, since it is smaller than the sum of its proper divisors (327001616).

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

317242864 is a wasteful number, since it uses less digits than its factorization.

317242864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3877 (or 3871 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 317242864 is about 17811.3128095601. The cubic root of 317242864 is about 682.0202778605.

The spelling of 317242864 in words is "three hundred seventeen million, two hundred forty-two thousand, eight hundred sixty-four".