27968812 has 12 divisors (see below), whose sum is σ = 49046256. Its totient is φ = 13955600.

The previous prime is 27968803. The next prime is 27968813. The reversal of 27968812 is 21886972.

It is not an unprimeable number, because it can be changed into a prime (27968813) 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, 4939 + ... + 8962.

It is an arithmetic number, because the mean of its divisors is an integer number (4087188).

Almost surely, 2^27968812 is an apocalyptic number.

It is an amenable number.

27968812 is a deficient number, since it is larger than the sum of its proper divisors (21077444).

27968812 is a wasteful number, since it uses less digits than its factorization.

27968812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14408 (or 14406 counting only the distinct ones).

The product of its digits is 96768, while the sum is 43.

The square root of 27968812 is about 5288.5548120446. The cubic root of 27968812 is about 303.5461110908.

The spelling of 27968812 in words is "twenty-seven million, nine hundred sixty-eight thousand, eight hundred twelve".