316618940 has 24 divisors (see below), whose sum is σ = 725345712. Its totient is φ = 115134080.

The previous prime is 316618927. The next prime is 316618963. The reversal of 316618940 is 49816613.

It is a junction number, because it is equal to n+sod(n) for n = 316618894 and 316618903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 719369 + ... + 719808.

It is an arithmetic number, because the mean of its divisors is an integer number (30222738).

Almost surely, 2^316618940 is an apocalyptic number.

It is an amenable number.

316618940 is an abundant number, since it is smaller than the sum of its proper divisors (408726772).

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

316618940 is a wasteful number, since it uses less digits than its factorization.

316618940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439197 (or 1439195 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 316618940 is about 17793.7893659558. The cubic root of 316618940 is about 681.5728729046.

The spelling of 316618940 in words is "three hundred sixteen million, six hundred eighteen thousand, nine hundred forty".