315982216 has 16 divisors (see below), whose sum is σ = 646327440. Its totient is φ = 143628240.

The previous prime is 315982193. The next prime is 315982241. The reversal of 315982216 is 612289513.

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, 1795266 + ... + 1795441.

It is an arithmetic number, because the mean of its divisors is an integer number (40395465).

Almost surely, 2^315982216 is an apocalyptic number.

It is an amenable number.

315982216 is an abundant number, since it is smaller than the sum of its proper divisors (330345224).

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

315982216 is a wasteful number, since it uses less digits than its factorization.

315982216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590724 (or 3590720 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 315982216 is about 17775.8886135124. Note that the first 3 decimals coincide. The cubic root of 315982216 is about 681.1156829041.

The spelling of 315982216 in words is "three hundred fifteen million, nine hundred eighty-two thousand, two hundred sixteen".