27228986 has 4 divisors (see below), whose sum is σ = 40843482. Its totient is φ = 13614492.

The previous prime is 27228979. The next prime is 27229021. The reversal of 27228986 is 68982272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27196225 + 32761 = 5215^2 + 181^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6807245 + ... + 6807248.

Almost surely, 2^27228986 is an apocalyptic number.

27228986 is a deficient number, since it is larger than the sum of its proper divisors (13614496).

27228986 is a wasteful number, since it uses less digits than its factorization.

27228986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13614495.

The product of its digits is 193536, while the sum is 44.

The square root of 27228986 is about 5218.1400901087. The cubic root of 27228986 is about 300.8457099715.

The spelling of 27228986 in words is "twenty-seven million, two hundred twenty-eight thousand, nine hundred eighty-six".