264489 has 8 divisors (see below), whose sum is σ = 355872. Its totient is φ = 174720.

The previous prime is 264487. The next prime is 264527. The reversal of 264489 is 984462.

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

It is not a de Polignac number, because 264489 - 2¹ = 264487 is a prime.

It is a super-2 number, since 2×264489² = 139908862242, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹¹ + 6³ + 4³ + 4⁹ + 8 + 9 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 264489.

It is not an unprimeable number, because it can be changed into a prime (264487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57 + ... + 729.

It is an arithmetic number, because the mean of its divisors is an integer number (44484).

2²⁶⁴⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

264489 is a deficient number, since it is larger than the sum of its proper divisors (91383).

264489 is a wasteful number, since it uses less digits than its factorization.

264489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807.

The product of its digits is 13824, while the sum is 33.

The square root of 264489 is about 514.2849404756. The cubic root of 264489 is about 64.1902703591.

The spelling of 264489 in words is "two hundred sixty-four thousand, four hundred eighty-nine".