27328656 has 80 divisors (see below), whose sum is σ = 75691584. Its totient is φ = 8466432.

The previous prime is 27328649. The next prime is 27328687. The reversal of 27328656 is 65682372.

Its product of digits (120960) is a multiple of the sum of its prime factors (448).

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, 87156 + ... + 87468.

Almost surely, 2^27328656 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 27328656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37845792).

27328656 is an abundant number, since it is smaller than the sum of its proper divisors (48362928).

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

27328656 is a wasteful number, since it uses less digits than its factorization.

27328656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 442 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 27328656 is about 5227.6817041591. The cubic root of 27328656 is about 301.2123386285.

The spelling of 27328656 in words is "twenty-seven million, three hundred twenty-eight thousand, six hundred fifty-six".