327899664 has 75 divisors (see below), whose sum is σ = 950927263. Its totient is φ = 109082592.

The previous prime is 327899659. The next prime is 327899669. The reversal of 327899664 is 466998723.

It is a happy number.

The square root of 327899664 is 18108.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (327899659) and next prime (327899669).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 327899664.

It is not an unprimeable number, because it can be changed into a prime (327899669) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 651637 + ... + 652139.

Almost surely, 2^327899664 is an apocalyptic number.

327899664 is the 18108-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 327899664

327899664 is an abundant number, since it is smaller than the sum of its proper divisors (623027599).

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

327899664 is an frugal number, since it uses more digits than its factorization.

327899664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026 (or 508 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The cubic root of 327899664 is about 689.5731197006.

The spelling of 327899664 in words is "three hundred twenty-seven million, eight hundred ninety-nine thousand, six hundred sixty-four".