27686994 has 8 divisors (see below), whose sum is σ = 55374000. Its totient is φ = 9228996.

The previous prime is 27686959. The next prime is 27687019. The reversal of 27686994 is 49968672.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

27686994 is an admirable number.

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, 2307244 + ... + 2307255.

It is an arithmetic number, because the mean of its divisors is an integer number (6921750).

Almost surely, 2^27686994 is an apocalyptic number.

27686994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27686994 is a wasteful number, since it uses less digits than its factorization.

27686994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4614504.

The product of its digits is 1306368, while the sum is 51.

The square root of 27686994 is about 5261.8432131716. The cubic root of 27686994 is about 302.5231419128.

It can be divided in two parts, 27686 and 994, that added together give a triangular number (28680 = T₂₃₉).

The spelling of 27686994 in words is "twenty-seven million, six hundred eighty-six thousand, nine hundred ninety-four".