318938852 has 12 divisors (see below), whose sum is σ = 558423600. Its totient is φ = 159389256.

The previous prime is 318938803. The next prime is 318938857. The reversal of 318938852 is 258839813.

It is a junction number, because it is equal to n+sod(n) for n = 318938797 and 318938806.

It is not an unprimeable number, because it can be changed into a prime (318938857) 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 3 ways as a sum of consecutive naturals, for example, 10598 + ... + 27389.

It is an arithmetic number, because the mean of its divisors is an integer number (46535300).

Almost surely, 2^318938852 is an apocalyptic number.

It is an amenable number.

318938852 is a deficient number, since it is larger than the sum of its proper divisors (239484748).

318938852 is a wasteful number, since it uses less digits than its factorization.

318938852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40090 (or 40088 counting only the distinct ones).

The product of its digits is 414720, while the sum is 47.

The square root of 318938852 is about 17858.8592020879. The cubic root of 318938852 is about 683.2334840953.

The spelling of 318938852 in words is "three hundred eighteen million, nine hundred thirty-eight thousand, eight hundred fifty-two".