27986122 has 8 divisors (see below), whose sum is σ = 42237216. Its totient is φ = 13907052.

The previous prime is 27986117. The next prime is 27986137. The reversal of 27986122 is 22168972.

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

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 3 ways as a sum of consecutive naturals, for example, 42598 + ... + 43249.

It is an arithmetic number, because the mean of its divisors is an integer number (5279652).

Almost surely, 2^27986122 is an apocalyptic number.

27986122 is a deficient number, since it is larger than the sum of its proper divisors (14251094).

27986122 is a wasteful number, since it uses less digits than its factorization.

27986122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86012.

The product of its digits is 24192, while the sum is 37.

The square root of 27986122 is about 5290.1911118598. The cubic root of 27986122 is about 303.6087201089.

The spelling of 27986122 in words is "twenty-seven million, nine hundred eighty-six thousand, one hundred twenty-two".