317438464 has 60 divisors (see below), whose sum is σ = 737867394. Its totient is φ = 136034304.

The previous prime is 317438431. The next prime is 317438483. The reversal of 317438464 is 464834713.

It can be written as a sum of positive squares in only one way, i.e., 317124864 + 313600 = 17808^2 + 560^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 18762 + ... + 31414.

Almost surely, 2^317438464 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 317438464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368933697).

317438464 is an abundant number, since it is smaller than the sum of its proper divisors (420428930).

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

317438464 is an equidigital number, since it uses as much as digits as its factorization.

317438464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12685 (or 12662 counting only the distinct ones).

The product of its digits is 193536, while the sum is 40.

The square root of 317438464 is about 17816.8028557314. The cubic root of 317438464 is about 682.1604184002.

The spelling of 317438464 in words is "three hundred seventeen million, four hundred thirty-eight thousand, four hundred sixty-four".