268479 has 12 divisors (see below), whose sum is σ = 404976. Its totient is φ = 171072.

The previous prime is 268459. The next prime is 268487. The reversal of 268479 is 974862.

It is a de Polignac number, because none of the positive numbers 2^k-268479 is a prime.

268479 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 442 + ... + 855.

It is an arithmetic number, because the mean of its divisors is an integer number (33748).

2²⁶⁸⁴⁷⁹ is an apocalyptic number.

268479 is a deficient number, since it is larger than the sum of its proper divisors (136497).

268479 is a wasteful number, since it uses less digits than its factorization.

268479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326 (or 1323 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 268479 is about 518.1495922994. The cubic root of 268479 is about 64.5114455982.

It can be divided in two parts, 268 and 479, that added together give a palindrome (747).

The spelling of 268479 in words is "two hundred sixty-eight thousand, four hundred seventy-nine".