317279916 has 90 divisors (see below), whose sum is σ = 857892420. Its totient is φ = 102247920.

The previous prime is 317279899. The next prime is 317279953. The reversal of 317279916 is 619972713.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 310855 + ... + 311873.

It is an arithmetic number, because the mean of its divisors is an integer number (9532138).

Almost surely, 2^317279916 is an apocalyptic number.

317279916 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 317279916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428946210).

317279916 is an abundant number, since it is smaller than the sum of its proper divisors (540612504).

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

317279916 is a wasteful number, since it uses less digits than its factorization.

317279916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097 (or 1055 counting only the distinct ones).

The product of its digits is 142884, while the sum is 45.

The square root of 317279916 is about 17812.3529046558. The cubic root of 317279916 is about 682.0468287404.

The spelling of 317279916 in words is "three hundred seventeen million, two hundred seventy-nine thousand, nine hundred sixteen".