264669 has 4 divisors (see below), whose sum is σ = 352896. Its totient is φ = 176444.

The previous prime is 264659. The next prime is 264697. The reversal of 264669 is 966462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 264669 - 2⁵ = 264637 is a prime.

It is a super-2 number, since 2×264669² = 140099359122, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹¹ + 6² + 6³ + 4⁹ + 6³ + 9 .

It is a D-number.

264669 is a lucky 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, 44109 + ... + 44114.

It is an arithmetic number, because the mean of its divisors is an integer number (88224).

2²⁶⁴⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

264669 is a deficient number, since it is larger than the sum of its proper divisors (88227).

264669 is an equidigital number, since it uses as much as digits as its factorization.

264669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88226.

The product of its digits is 15552, while the sum is 33.

The square root of 264669 is about 514.4599109746. The cubic root of 264669 is about 64.2048287825.

The spelling of 264669 in words is "two hundred sixty-four thousand, six hundred sixty-nine".