264490 has 8 divisors (see below), whose sum is σ = 476100. Its totient is φ = 105792.

The previous prime is 264487. The next prime is 264527. The reversal of 264490 is 94462.

It can be written as a sum of positive squares in 2 ways, for example, as 241081 + 23409 = 491^2 + 153^2 .

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, 13215 + ... + 13234.

2²⁶⁴⁴⁹⁰ is an apocalyptic number.

264490 is a deficient number, since it is larger than the sum of its proper divisors (211610).

264490 is a wasteful number, since it uses less digits than its factorization.

264490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26456.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 264490 is about 514.2859126984. The cubic root of 264490 is about 64.1903512574.

The spelling of 264490 in words is "two hundred sixty-four thousand, four hundred ninety".