27947996 has 24 divisors (see below), whose sum is σ = 50893920. Its totient is φ = 13412672.

The previous prime is 27947989. The next prime is 27947999. The reversal of 27947996 is 69974972.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27947999) 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, 22241 + ... + 23463.

It is an arithmetic number, because the mean of its divisors is an integer number (2120580).

Almost surely, 2^27947996 is an apocalyptic number.

It is an amenable number.

27947996 is a deficient number, since it is larger than the sum of its proper divisors (22945924).

27947996 is a wasteful number, since it uses less digits than its factorization.

27947996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453 (or 1451 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 53.

The square root of 27947996 is about 5286.5864222578. The cubic root of 27947996 is about 303.4707869040.

The spelling of 27947996 in words is "twenty-seven million, nine hundred forty-seven thousand, nine hundred ninety-six".