326564 has 24 divisors (see below), whose sum is σ = 665280. Its totient is φ = 137376.

The previous prime is 326563. The next prime is 326567. The reversal of 326564 is 465623.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 326564.

It is not an unprimeable number, because it can be changed into a prime (326561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2942 + ... + 3050.

It is an arithmetic number, because the mean of its divisors is an integer number (27720).

326564 is a Friedman number, since it can be written as ((6*6)^3-4)*(5+2), using all its digits and the basic arithmetic operations.

2³²⁶⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

326564 is an abundant number, since it is smaller than the sum of its proper divisors (338716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

326564 is a wasteful number, since it uses less digits than its factorization.

326564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 225 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 326564 is about 571.4577849675. The cubic root of 326564 is about 68.8635544874.

The spelling of 326564 in words is "three hundred twenty-six thousand, five hundred sixty-four".