264679 has 4 divisors (see below), whose sum is σ = 269080. Its totient is φ = 260280.

The previous prime is 264659. The next prime is 264697. The reversal of 264679 is 976462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 976462 = 2 ⋅488231.

It is a cyclic number.

It is not a de Polignac number, because 264679 - 2⁹ = 264167 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 (264619) 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, 2109 + ... + 2230.

It is an arithmetic number, because the mean of its divisors is an integer number (67270).

2²⁶⁴⁶⁷⁹ is an apocalyptic number.

264679 is a deficient number, since it is larger than the sum of its proper divisors (4401).

264679 is an equidigital number, since it uses as much as digits as its factorization.

264679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4400.

The product of its digits is 18144, while the sum is 34.

The square root of 264679 is about 514.4696298131. The cubic root of 264679 is about 64.2056373902.

The spelling of 264679 in words is "two hundred sixty-four thousand, six hundred seventy-nine".