318680452 has 12 divisors (see below), whose sum is σ = 563213196. Its totient is φ = 157762400.

The previous prime is 318680443. The next prime is 318680459. The reversal of 318680452 is 254086813.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 140564736 + 178115716 = 11856^2 + 13346^2 .

It is not an unprimeable number, because it can be changed into a prime (318680459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394003 + ... + 394810.

It is an arithmetic number, because the mean of its divisors is an integer number (46934433).

Almost surely, 2^318680452 is an apocalyptic number.

It is an amenable number.

318680452 is a deficient number, since it is larger than the sum of its proper divisors (244532744).

318680452 is a wasteful number, since it uses less digits than its factorization.

318680452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788918 (or 788916 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 318680452 is about 17851.6232315160. The cubic root of 318680452 is about 683.0489186930.

It can be divided in two parts, 3186 and 80452, that added together give a palindrome (83638).

The spelling of 318680452 in words is "three hundred eighteen million, six hundred eighty thousand, four hundred fifty-two".