27989068 has 24 divisors (see below), whose sum is σ = 51770880. Its totient is φ = 13213200.

The previous prime is 27989047. The next prime is 27989077. The reversal of 27989068 is 86098972.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5343 + ... + 9193.

It is an arithmetic number, because the mean of its divisors is an integer number (2157120).

Almost surely, 2^27989068 is an apocalyptic number.

It is an amenable number.

27989068 is a deficient number, since it is larger than the sum of its proper divisors (23781812).

27989068 is a wasteful number, since it uses less digits than its factorization.

27989068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3957 (or 3955 counting only the distinct ones).

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

The square root of 27989068 is about 5290.4695443788. The cubic root of 27989068 is about 303.6193730069.

The spelling of 27989068 in words is "twenty-seven million, nine hundred eighty-nine thousand, sixty-eight".