318479 has 4 divisors (see below), whose sum is σ = 363984. Its totient is φ = 272976.

The previous prime is 318473. The next prime is 318503. The reversal of 318479 is 974813.

318479 = 113² + 114² + ... + 133².

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-318479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 318479.

It is not an unprimeable number, because it can be changed into a prime (318473) 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, 22742 + ... + 22755.

It is an arithmetic number, because the mean of its divisors is an integer number (90996).

2³¹⁸⁴⁷⁹ is an apocalyptic number.

318479 is a deficient number, since it is larger than the sum of its proper divisors (45505).

318479 is an equidigital number, since it uses as much as digits as its factorization.

318479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45504.

The product of its digits is 6048, while the sum is 32.

The square root of 318479 is about 564.3394368640. The cubic root of 318479 is about 68.2904959883.

It can be divided in two parts, 318 and 479, that added together give a palindrome (797).

The spelling of 318479 in words is "three hundred eighteen thousand, four hundred seventy-nine".