326564464 has 10 divisors (see below), whose sum is σ = 632718680. Its totient is φ = 163282224.

The previous prime is 326564461. The next prime is 326564471. The reversal of 326564464 is 464465623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326564461) 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 as a sum of consecutive naturals, namely, 10205124 + ... + 10205155.

It is an arithmetic number, because the mean of its divisors is an integer number (63271868).

Almost surely, 2^326564464 is an apocalyptic number.

It is an amenable number.

326564464 is a deficient number, since it is larger than the sum of its proper divisors (306154216).

326564464 is a wasteful number, since it uses less digits than its factorization.

326564464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20410287 (or 20410281 counting only the distinct ones).

The product of its digits is 414720, while the sum is 40.

The square root of 326564464 is about 18071.0947095078. The cubic root of 326564464 is about 688.6358710238.

The spelling of 326564464 in words is "three hundred twenty-six million, five hundred sixty-four thousand, four hundred sixty-four".