264039 has 8 divisors (see below), whose sum is σ = 354432. Its totient is φ = 174840.

The previous prime is 264031. The next prime is 264053. The reversal of 264039 is 930462.

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

It is not a de Polignac number, because 264039 - 2³ = 264031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694 + ... + 1004.

It is an arithmetic number, because the mean of its divisors is an integer number (44304).

2²⁶⁴⁰³⁹ is an apocalyptic number.

264039 is a deficient number, since it is larger than the sum of its proper divisors (90393).

264039 is a wasteful number, since it uses less digits than its factorization.

264039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597.

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

The square root of 264039 is about 513.8472535686. The cubic root of 264039 is about 64.1538453797.

The spelling of 264039 in words is "two hundred sixty-four thousand, thirty-nine".