27328897 has 8 divisors (see below), whose sum is σ = 28980000. Its totient is φ = 25699104.

The previous prime is 27328871. The next prime is 27328913. The reversal of 27328897 is 79882372.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27328897 is a prime.

It is a super-2 number, since 2×27328897² = 1493737222473218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27328097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2647 + ... + 7852.

It is an arithmetic number, because the mean of its divisors is an integer number (3622500).

Almost surely, 2^27328897 is an apocalyptic number.

It is an amenable number.

27328897 is a deficient number, since it is larger than the sum of its proper divisors (1651103).

27328897 is a wasteful number, since it uses less digits than its factorization.

27328897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10655.

The product of its digits is 338688, while the sum is 46.

The square root of 27328897 is about 5227.7047544788. The cubic root of 27328897 is about 301.2132240478.

The spelling of 27328897 in words is "twenty-seven million, three hundred twenty-eight thousand, eight hundred ninety-seven".