328632664 has 16 divisors (see below), whose sum is σ = 648617400. Its totient is φ = 155668032.

The previous prime is 328632649. The next prime is 328632691. The reversal of 328632664 is 466236823.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1080877 + ... + 1081180.

Almost surely, 2^328632664 is an apocalyptic number.

It is an amenable number.

328632664 is a deficient number, since it is larger than the sum of its proper divisors (319984736).

328632664 is a wasteful number, since it uses less digits than its factorization.

328632664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2162082 (or 2162078 counting only the distinct ones).

The product of its digits is 248832, while the sum is 40.

The square root of 328632664 is about 18128.2283745544. The cubic root of 328632664 is about 690.0865703885.

The spelling of 328632664 in words is "three hundred twenty-eight million, six hundred thirty-two thousand, six hundred sixty-four".