318344 has 16 divisors (see below), whose sum is σ = 643020. Its totient is φ = 146880.

The previous prime is 318337. The next prime is 318347. The reversal of 318344 is 443813.

It can be written as a sum of positive squares in 2 ways, for example, as 315844 + 2500 = 562^2 + 50^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 318344.

It is not an unprimeable number, because it can be changed into a prime (318347) by changing a digit.

318344 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1427 + ... + 1634.

2³¹⁸³⁴⁴ is an apocalyptic number.

It is an amenable number.

318344 is an abundant number, since it is smaller than the sum of its proper divisors (324676).

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

318344 is a wasteful number, since it uses less digits than its factorization.

318344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080 (or 3076 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 318344 is about 564.2198153202. The cubic root of 318344 is about 68.2808454097.

The spelling of 318344 in words is "three hundred eighteen thousand, three hundred forty-four".