264858 has 16 divisors (see below), whose sum is σ = 578016. Its totient is φ = 80240.

The previous prime is 264839. The next prime is 264871. The reversal of 264858 is 858462.

264858 is nontrivially palindromic in base 5.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

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, 1941 + ... + 2072.

It is an arithmetic number, because the mean of its divisors is an integer number (36126).

2²⁶⁴⁸⁵⁸ is an apocalyptic number.

264858 is an abundant number, since it is smaller than the sum of its proper divisors (313158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

264858 is a wasteful number, since it uses less digits than its factorization.

264858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4029.

The product of its digits is 15360, while the sum is 33.

The square root of 264858 is about 514.6435659755. The cubic root of 264858 is about 64.2201080248.

It can be divided in two parts, 26 and 4858, that added together give a palindrome (4884).

The spelling of 264858 in words is "two hundred sixty-four thousand, eight hundred fifty-eight".