264309 has 8 divisors (see below), whose sum is σ = 371040. Its totient is φ = 166896.

The previous prime is 264301. The next prime is 264323. The reversal of 264309 is 903462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 264309 - 2³ = 264301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264301) 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 7 ways as a sum of consecutive naturals, for example, 2262 + ... + 2375.

It is an arithmetic number, because the mean of its divisors is an integer number (46380).

2²⁶⁴³⁰⁹ is an apocalyptic number.

It is an amenable number.

264309 is a deficient number, since it is larger than the sum of its proper divisors (106731).

264309 is a wasteful number, since it uses less digits than its factorization.

264309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4659.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 264309 is about 514.1099104277. The cubic root of 264309 is about 64.1757053289.

The spelling of 264309 in words is "two hundred sixty-four thousand, three hundred nine".