316916240 has 20 divisors (see below), whose sum is σ = 736830444. Its totient is φ = 126766464.

The previous prime is 316916207. The next prime is 316916267. The reversal of 316916240 is 42619613.

It can be written as a sum of positive squares in 2 ways, for example, as 60403984 + 256512256 = 7772^2 + 16016^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 316916197 and 316916206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1980647 + ... + 1980806.

Almost surely, 2^316916240 is an apocalyptic number.

It is an amenable number.

316916240 is an abundant number, since it is smaller than the sum of its proper divisors (419914204).

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

316916240 is a wasteful number, since it uses less digits than its factorization.

316916240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3961466 (or 3961460 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 316916240 is about 17802.1414442196. The cubic root of 316916240 is about 681.7861347577.

The spelling of 316916240 in words is "three hundred sixteen million, nine hundred sixteen thousand, two hundred forty".