328553672 has 8 divisors (see below), whose sum is σ = 616038150. Its totient is φ = 164276832.

The previous prime is 328553663. The next prime is 328553711. The reversal of 328553672 is 276355823.

It can be written as a sum of positive squares in only one way, i.e., 249450436 + 79103236 = 15794^2 + 8894^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 20534597 + ... + 20534612.

Almost surely, 2^328553672 is an apocalyptic number.

It is an amenable number.

328553672 is a deficient number, since it is larger than the sum of its proper divisors (287484478).

328553672 is a wasteful number, since it uses less digits than its factorization.

328553672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41069215 (or 41069211 counting only the distinct ones).

The product of its digits is 302400, while the sum is 41.

The square root of 328553672 is about 18126.0495420265. The cubic root of 328553672 is about 690.0312749249.

The spelling of 328553672 in words is "three hundred twenty-eight million, five hundred fifty-three thousand, six hundred seventy-two".