27328961 has 8 divisors (see below), whose sum is σ = 29869824. Its totient is φ = 24797520.

The previous prime is 27328957. The next prime is 27328981. The reversal of 27328961 is 16982372.

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

It is not a de Polignac number, because 27328961 - 2² = 27328957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27328921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4631 + ... + 8723.

It is an arithmetic number, because the mean of its divisors is an integer number (3733728).

Almost surely, 2^27328961 is an apocalyptic number.

It is an amenable number.

27328961 is a deficient number, since it is larger than the sum of its proper divisors (2540863).

27328961 is a wasteful number, since it uses less digits than its factorization.

27328961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4711.

The product of its digits is 36288, while the sum is 38.

The square root of 27328961 is about 5227.7108757084. The cubic root of 27328961 is about 301.2134591790.

The spelling of 27328961 in words is "twenty-seven million, three hundred twenty-eight thousand, nine hundred sixty-one".