264806 has 4 divisors (see below), whose sum is σ = 397212. Its totient is φ = 132402.

The previous prime is 264793. The next prime is 264811. The reversal of 264806 is 608462.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 264806.

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 as a sum of consecutive naturals, namely, 66200 + ... + 66203.

It is an arithmetic number, because the mean of its divisors is an integer number (99303).

2²⁶⁴⁸⁰⁶ is an apocalyptic number.

264806 is a deficient number, since it is larger than the sum of its proper divisors (132406).

264806 is a wasteful number, since it uses less digits than its factorization.

264806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132405.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 264806 is about 514.5930430933. The cubic root of 264806 is about 64.2159049371.

The spelling of 264806 in words is "two hundred sixty-four thousand, eight hundred six".