327881964 has 24 divisors (see below), whose sum is σ = 781337088. Its totient is φ = 106968400.

The previous prime is 327881959. The next prime is 327881989. The reversal of 327881964 is 469188723.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290112 + ... + 291239.

It is an arithmetic number, because the mean of its divisors is an integer number (32555712).

Almost surely, 2^327881964 is an apocalyptic number.

It is an amenable number.

327881964 is an abundant number, since it is smaller than the sum of its proper divisors (453455124).

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

327881964 is a wasteful number, since it uses less digits than its factorization.

327881964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581405 (or 581403 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 327881964 is about 18107.5112591433. The cubic root of 327881964 is about 689.5607117750.

The spelling of 327881964 in words is "three hundred twenty-seven million, eight hundred eighty-one thousand, nine hundred sixty-four".