327886728 has 64 divisors (see below), whose sum is σ = 887376000. Its totient is φ = 100362240.

The previous prime is 327886697. The next prime is 327886753. The reversal of 327886728 is 827688723.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59448 + ... + 64728.

It is an arithmetic number, because the mean of its divisors is an integer number (13865250).

Almost surely, 2^327886728 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 327886728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443688000).

327886728 is an abundant number, since it is smaller than the sum of its proper divisors (559489272).

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

327886728 is a wasteful number, since it uses less digits than its factorization.

327886728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5502 (or 5498 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 51.

The square root of 327886728 is about 18107.6428062849. The cubic root of 327886728 is about 689.5640514437.

The spelling of 327886728 in words is "three hundred twenty-seven million, eight hundred eighty-six thousand, seven hundred twenty-eight".