264667 has 4 divisors (see below), whose sum is σ = 285040. Its totient is φ = 244296.

The previous prime is 264659. The next prime is 264697. The reversal of 264667 is 766462.

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

It is not a de Polignac number, because 264667 - 2³ = 264659 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 6² + 6³ + 4⁹ + 6³ + 7 .

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (264637) 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, 10167 + ... + 10192.

It is an arithmetic number, because the mean of its divisors is an integer number (71260).

2²⁶⁴⁶⁶⁷ is an apocalyptic number.

264667 is a deficient number, since it is larger than the sum of its proper divisors (20373).

264667 is a wasteful number, since it uses less digits than its factorization.

264667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20372.

The product of its digits is 12096, while the sum is 31.

The square root of 264667 is about 514.4579671849. The cubic root of 264667 is about 64.2046670585.

The spelling of 264667 in words is "two hundred sixty-four thousand, six hundred sixty-seven".