264655 has 8 divisors (see below), whose sum is σ = 325584. Its totient is φ = 206400.

The previous prime is 264643. The next prime is 264659. The reversal of 264655 is 556462.

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

It is not a de Polignac number, because 264655 - 2⁷ = 264527 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 (264659) 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, 441 + ... + 850.

It is an arithmetic number, because the mean of its divisors is an integer number (40698).

2²⁶⁴⁶⁵⁵ is an apocalyptic number.

264655 is a deficient number, since it is larger than the sum of its proper divisors (60929).

264655 is a wasteful number, since it uses less digits than its factorization.

264655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337.

The product of its digits is 7200, while the sum is 28.

The square root of 264655 is about 514.4463042923. The cubic root of 264655 is about 64.2036966974.

It can be divided in two parts, 2646 and 55, that multiplied together give a triangular number (145530 = T₅₃₉).

The spelling of 264655 in words is "two hundred sixty-four thousand, six hundred fifty-five".