318994940 has 24 divisors (see below), whose sum is σ = 730788912. Its totient is φ = 115998080.

The previous prime is 318994937. The next prime is 318994993. The reversal of 318994940 is 49499813.

318994940 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 724769 + ... + 725208.

It is an arithmetic number, because the mean of its divisors is an integer number (30449538).

Almost surely, 2^318994940 is an apocalyptic number.

It is an amenable number.

318994940 is an abundant number, since it is smaller than the sum of its proper divisors (411793972).

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

318994940 is a wasteful number, since it uses less digits than its factorization.

318994940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449997 (or 1449995 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 318994940 is about 17860.4294461247. The cubic root of 318994940 is about 683.2735324758.

The spelling of 318994940 in words is "three hundred eighteen million, nine hundred ninety-four thousand, nine hundred forty".