27133986 has 32 divisors (see below), whose sum is σ = 60326208. Its totient is φ = 8066240.

The previous prime is 27133979. The next prime is 27134017. The reversal of 27133986 is 68933172.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381 + ... + 7376.

It is an arithmetic number, because the mean of its divisors is an integer number (1885194).

Almost surely, 2^27133986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27133986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30163104).

27133986 is an abundant number, since it is smaller than the sum of its proper divisors (33192222).

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

27133986 is a wasteful number, since it uses less digits than its factorization.

27133986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7826.

The product of its digits is 54432, while the sum is 39.

The square root of 27133986 is about 5209.0292761704. The cubic root of 27133986 is about 300.4954258382.

The spelling of 27133986 in words is "twenty-seven million, one hundred thirty-three thousand, nine hundred eighty-six".