268279 has 8 divisors (see below), whose sum is σ = 303120. Its totient is φ = 235480.

The previous prime is 268271. The next prime is 268283. The reversal of 268279 is 972862.

It is not a de Polignac number, because 268279 - 2³ = 268271 is a prime.

It is an Ulam number.

It is a pancake number, because a pancake can be divided into 268279 parts by 732 straight cuts.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268271) 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, 9237 + ... + 9265.

It is an arithmetic number, because the mean of its divisors is an integer number (37890).

2²⁶⁸²⁷⁹ is an apocalyptic number.

268279 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

268279 is a deficient number, since it is larger than the sum of its proper divisors (34841).

268279 is an frugal number, since it uses more digits than its factorization.

268279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 40 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 268279 is about 517.9565618853. The cubic root of 268279 is about 64.4954226265.

The spelling of 268279 in words is "two hundred sixty-eight thousand, two hundred seventy-nine".