268679 has 8 divisors (see below), whose sum is σ = 288000. Its totient is φ = 249912.

The previous prime is 268661. The next prime is 268693. The reversal of 268679 is 976862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1412 + ... + 1590.

It is an arithmetic number, because the mean of its divisors is an integer number (36000).

2²⁶⁸⁶⁷⁹ is an apocalyptic number.

268679 is a deficient number, since it is larger than the sum of its proper divisors (19321).

268679 is a wasteful number, since it uses less digits than its factorization.

268679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277.

The product of its digits is 36288, while the sum is 38.

The square root of 268679 is about 518.3425508291. The cubic root of 268679 is about 64.5274606144.

The spelling of 268679 in words is "two hundred sixty-eight thousand, six hundred seventy-nine".