315679946 has 16 divisors (see below), whose sum is σ = 499077600. Its totient is φ = 149341968.

The previous prime is 315679937. The next prime is 315679957. The reversal of 315679946 is 649976513.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 315679894 and 315679903.

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 7 ways as a sum of consecutive naturals, for example, 27545 + ... + 37283.

It is an arithmetic number, because the mean of its divisors is an integer number (31192350).

Almost surely, 2^315679946 is an apocalyptic number.

315679946 is a deficient number, since it is larger than the sum of its proper divisors (183397654).

315679946 is a wasteful number, since it uses less digits than its factorization.

315679946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10613.

The product of its digits is 1224720, while the sum is 50.

The square root of 315679946 is about 17767.3843319719. The cubic root of 315679946 is about 680.8984275115.

The spelling of 315679946 in words is "three hundred fifteen million, six hundred seventy-nine thousand, nine hundred forty-six".