326321 has 8 divisors (see below), whose sum is σ = 342144. Its totient is φ = 310960.

The previous prime is 326309. The next prime is 326323. The reversal of 326321 is 123623.

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

It is a cyclic number.

It is not a de Polignac number, because 326321 - 2⁶ = 326257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 326321.

It is not an unprimeable number, because it can be changed into a prime (326323) 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, 2426 + ... + 2556.

It is an arithmetic number, because the mean of its divisors is an integer number (42768).

2³²⁶³²¹ is an apocalyptic number.

It is an amenable number.

326321 is a deficient number, since it is larger than the sum of its proper divisors (15823).

326321 is a wasteful number, since it uses less digits than its factorization.

326321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231.

The product of its digits is 216, while the sum is 17.

The square root of 326321 is about 571.2451312703. The cubic root of 326321 is about 68.8464695300.

Adding to 326321 its reverse (123623), we get a palindrome (449944).

The spelling of 326321 in words is "three hundred twenty-six thousand, three hundred twenty-one".