326580961 has 16 divisors (see below), whose sum is σ = 380851200. Its totient is φ = 274272768.

The previous prime is 326580959. The next prime is 326580973. The reversal of 326580961 is 169085623.

It is not a de Polignac number, because 326580961 - 2¹ = 326580959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326580461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68080 + ... + 72718.

It is an arithmetic number, because the mean of its divisors is an integer number (23803200).

Almost surely, 2^326580961 is an apocalyptic number.

It is an amenable number.

326580961 is a deficient number, since it is larger than the sum of its proper divisors (54270239).

326580961 is a wasteful number, since it uses less digits than its factorization.

326580961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4848.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 326580961 is about 18071.5511509112. The cubic root of 326580961 is about 688.6474667279.

The spelling of 326580961 in words is "three hundred twenty-six million, five hundred eighty thousand, nine hundred sixty-one".