264650 has 24 divisors (see below), whose sum is σ = 505920. Its totient is φ = 102960.

The previous prime is 264643. The next prime is 264659. The reversal of 264650 is 56462.

264650 is nontrivially palindromic in base 15.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (264659) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3311 + ... + 3389.

It is an arithmetic number, because the mean of its divisors is an integer number (21080).

2²⁶⁴⁶⁵⁰ is an apocalyptic number.

264650 is a deficient number, since it is larger than the sum of its proper divisors (241270).

264650 is a wasteful number, since it uses less digits than its factorization.

264650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 264650 is about 514.4414446757. The cubic root of 264650 is about 64.2032923717.

The spelling of 264650 in words is "two hundred sixty-four thousand, six hundred fifty".