328664484 has 18 divisors (see below), whose sum is σ = 830790870. Its totient is φ = 109554816.

The previous prime is 328664471. The next prime is 328664509. The reversal of 328664484 is 484466823.

328664484 is a `hidden beast` number, since 32 + 86 + 64 + 484 = 666.

It can be written as a sum of positive squares in only one way, i.e., 269682084 + 58982400 = 16422^2 + 7680^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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 5 ways as a sum of consecutive naturals, for example, 4564749 + ... + 4564820.

Almost surely, 2^328664484 is an apocalyptic number.

It is an amenable number.

328664484 is an abundant number, since it is smaller than the sum of its proper divisors (502126386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

328664484 is a wasteful number, since it uses less digits than its factorization.

328664484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9129579 (or 9129574 counting only the distinct ones).

The product of its digits is 884736, while the sum is 45.

The square root of 328664484 is about 18129.1059900923. The cubic root of 328664484 is about 690.1088423133.

The spelling of 328664484 in words is "three hundred twenty-eight million, six hundred sixty-four thousand, four hundred eighty-four".