326566 has 8 divisors (see below), whose sum is σ = 492480. Its totient is φ = 162408.

The previous prime is 326563. The next prime is 326567. The reversal of 326566 is 665623.

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

It is a congruent number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235 + ... + 841.

It is an arithmetic number, because the mean of its divisors is an integer number (61560).

2³²⁶⁵⁶⁶ is an apocalyptic number.

326566 is a deficient number, since it is larger than the sum of its proper divisors (165914).

326566 is a wasteful number, since it uses less digits than its factorization.

326566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878.

The product of its digits is 6480, while the sum is 28.

The square root of 326566 is about 571.4595348754. The cubic root of 326566 is about 68.8636950691.

It can be divided in two parts, 3 and 26566, that added together give a square (26569 = 163²).

The spelling of 326566 in words is "three hundred twenty-six thousand, five hundred sixty-six".