327897816 has 16 divisors (see below), whose sum is σ = 819744600. Its totient is φ = 109299264.

The previous prime is 327897769. The next prime is 327897827. The reversal of 327897816 is 618798723.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6831181 + ... + 6831228.

Almost surely, 2^327897816 is an apocalyptic number.

It is an amenable number.

327897816 is an abundant number, since it is smaller than the sum of its proper divisors (491846784).

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

327897816 is a wasteful number, since it uses less digits than its factorization.

327897816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13662418 (or 13662414 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 51.

The square root of 327897816 is about 18107.9489727578. The cubic root of 327897816 is about 689.5718242499.

The spelling of 327897816 in words is "three hundred twenty-seven million, eight hundred ninety-seven thousand, eight hundred sixteen".