264279 has 4 divisors (see below), whose sum is σ = 352376. Its totient is φ = 176184.

The previous prime is 264269. The next prime is 264283. The reversal of 264279 is 972462.

It is a happy number.

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

It is not a de Polignac number, because 264279 - 2⁴ = 264263 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44044 + ... + 44049.

It is an arithmetic number, because the mean of its divisors is an integer number (88094).

2²⁶⁴²⁷⁹ is an apocalyptic number.

264279 is a deficient number, since it is larger than the sum of its proper divisors (88097).

264279 is an equidigital number, since it uses as much as digits as its factorization.

264279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88096.

The product of its digits is 6048, while the sum is 30.

The square root of 264279 is about 514.0807329593. The cubic root of 264279 is about 64.1732771811.

The spelling of 264279 in words is "two hundred sixty-four thousand, two hundred seventy-nine".