264866 has 8 divisors (see below), whose sum is σ = 454080. Its totient is φ = 113508.

The previous prime is 264839. The next prime is 264871. The reversal of 264866 is 668462.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9446 + ... + 9473.

It is an arithmetic number, because the mean of its divisors is an integer number (56760).

2²⁶⁴⁸⁶⁶ is an apocalyptic number.

264866 is a deficient number, since it is larger than the sum of its proper divisors (189214).

264866 is a wasteful number, since it uses less digits than its factorization.

264866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18928.

The product of its digits is 13824, while the sum is 32.

The square root of 264866 is about 514.6513382864. The cubic root of 264866 is about 64.2207546048.

The spelling of 264866 in words is "two hundred sixty-four thousand, eight hundred sixty-six".