318994272 has 36 divisors (see below), whose sum is σ = 907140780. Its totient is φ = 106331328.

The previous prime is 318994271. The next prime is 318994283. The reversal of 318994272 is 272499813.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318994271) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 553522 + ... + 554097.

It is an arithmetic number, because the mean of its divisors is an integer number (25198355).

Almost surely, 2^318994272 is an apocalyptic number.

318994272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

318994272 is an abundant number, since it is smaller than the sum of its proper divisors (588146508).

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

318994272 is a wasteful number, since it uses less digits than its factorization.

318994272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107635 (or 1107624 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 318994272 is about 17860.4107455568. The cubic root of 318994272 is about 683.2730555330.

It can be divided in two parts, 3189 and 94272, that added together give a triangular number (97461 = T₄₄₁).

The spelling of 318994272 in words is "three hundred eighteen million, nine hundred ninety-four thousand, two hundred seventy-two".