27908968 has 16 divisors (see below), whose sum is σ = 55407780. Its totient is φ = 13133568.

The previous prime is 27908953. The next prime is 27908977. The reversal of 27908968 is 86980972.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20629764 + 7279204 = 4542^2 + 2698^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102471 + ... + 102742.

Almost surely, 2^27908968 is an apocalyptic number.

It is an amenable number.

27908968 is a deficient number, since it is larger than the sum of its proper divisors (27498812).

27908968 is a wasteful number, since it uses less digits than its factorization.

27908968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205236 (or 205232 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 27908968 is about 5282.8939039129. The cubic root of 27908968 is about 303.3294604290.

The spelling of 27908968 in words is "twenty-seven million, nine hundred eight thousand, nine hundred sixty-eight".