327867728 has 20 divisors (see below), whose sum is σ = 635632308. Its totient is φ = 163833600.

The previous prime is 327867721. The next prime is 327867751. The reversal of 327867728 is 827768723.

It can be written as a sum of positive squares in 2 ways, for example, as 253701184 + 74166544 = 15928^2 + 8612^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327867721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25628 + ... + 36228.

Almost surely, 2^327867728 is an apocalyptic number.

It is an amenable number.

327867728 is a deficient number, since it is larger than the sum of its proper divisors (307764580).

327867728 is a wasteful number, since it uses less digits than its factorization.

327867728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12542 (or 12536 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 50.

The square root of 327867728 is about 18107.1181583376. The cubic root of 327867728 is about 689.5507318336.

The spelling of 327867728 in words is "three hundred twenty-seven million, eight hundred sixty-seven thousand, seven hundred twenty-eight".