27873986 has 16 divisors (see below), whose sum is σ = 47854464. Its totient is φ = 11928384.

The previous prime is 27873977. The next prime is 27874013. The reversal of 27873986 is 68937872.

It is a happy number.

It is a Curzon 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, 13946 + ... + 15818.

It is an arithmetic number, because the mean of its divisors is an integer number (2990904).

Almost surely, 2^27873986 is an apocalyptic number.

27873986 is a deficient number, since it is larger than the sum of its proper divisors (19980478).

27873986 is a wasteful number, since it uses less digits than its factorization.

27873986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2945.

The product of its digits is 1016064, while the sum is 50.

The square root of 27873986 is about 5279.5819910292. The cubic root of 27873986 is about 303.2026731338.

The spelling of 27873986 in words is "twenty-seven million, eight hundred seventy-three thousand, nine hundred eighty-six".