327897664 has 112 divisors (see below), whose sum is σ = 716889600. Its totient is φ = 148377600.

The previous prime is 327897601. The next prime is 327897679. The reversal of 327897664 is 466798723.

Its product of digits (3048192) is a multiple of the sum of its prime factors (252).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2358907 + ... + 2359045.

It is an arithmetic number, because the mean of its divisors is an integer number (6400800).

Almost surely, 2^327897664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 327897664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358444800).

327897664 is an abundant number, since it is smaller than the sum of its proper divisors (388991936).

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

327897664 is a wasteful number, since it uses less digits than its factorization.

327897664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 242 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 52.

The square root of 327897664 is about 18107.9447757055. The cubic root of 327897664 is about 689.5717176975.

The spelling of 327897664 in words is "three hundred twenty-seven million, eight hundred ninety-seven thousand, six hundred sixty-four".