326984645 has 16 divisors (see below), whose sum is σ = 424914672. Its totient is φ = 240122880.

The previous prime is 326984633. The next prime is 326984711. The reversal of 326984645 is 546489623.

It can be written as a sum of positive squares in 8 ways, for example, as 206468161 + 120516484 = 14369^2 + 10978^2 .

It is not a de Polignac number, because 326984645 - 2¹⁰ = 326983621 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 326984645.

It is a congruent number.

It is an unprimeable number.

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, 2132 + ... + 25661.

It is an arithmetic number, because the mean of its divisors is an integer number (26557167).

Almost surely, 2^326984645 is an apocalyptic number.

It is an amenable number.

326984645 is a deficient number, since it is larger than the sum of its proper divisors (97930027).

326984645 is a wasteful number, since it uses less digits than its factorization.

326984645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27992.

The product of its digits is 1244160, while the sum is 47.

The square root of 326984645 is about 18082.7167483208. The cubic root of 326984645 is about 688.9310936923.

The spelling of 326984645 in words is "three hundred twenty-six million, nine hundred eighty-four thousand, six hundred forty-five".