317487492 has 288 divisors, whose sum is σ = 1067673600. Its totient is φ = 79548480.

The previous prime is 317487487. The next prime is 317487517. The reversal of 317487492 is 294784713.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10241517 + ... + 10241547.

It is an arithmetic number, because the mean of its divisors is an integer number (3707200).

Almost surely, 2^317487492 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 317487492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (533836800).

317487492 is an abundant number, since it is smaller than the sum of its proper divisors (750186108).

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

317487492 is a wasteful number, since it uses less digits than its factorization.

317487492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 85 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 317487492 is about 17818.1786948049. The cubic root of 317487492 is about 682.1955362190.

The spelling of 317487492 in words is "three hundred seventeen million, four hundred eighty-seven thousand, four hundred ninety-two".