327664320 has 112 divisors (see below), whose sum is σ = 1046366208. Its totient is φ = 86871040.

The previous prime is 327664303. The next prime is 327664339. The reversal of 327664320 is 23466723.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182467 + ... + 184253.

Almost surely, 2^327664320 is an apocalyptic number.

327664320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 327664320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (523183104).

327664320 is an abundant number, since it is smaller than the sum of its proper divisors (718701888).

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

327664320 is a wasteful number, since it uses less digits than its factorization.

327664320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998 (or 1988 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 33.

The square root of 327664320 is about 18101.5004902909. The cubic root of 327664320 is about 689.4081040411.

The spelling of 327664320 in words is "three hundred twenty-seven million, six hundred sixty-four thousand, three hundred twenty".