27399190 has 32 divisors (see below), whose sum is σ = 60701760. Its totient is φ = 8671104.

The previous prime is 27399173. The next prime is 27399209. The reversal of 27399190 is 9199372.

It is a super-2 number, since 2×27399190² = 1501431225312200, which contains 22 as substring.

It is a congruent number.

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, 14145 + ... + 15964.

It is an arithmetic number, because the mean of its divisors is an integer number (1896930).

Almost surely, 2^27399190 is an apocalyptic number.

27399190 is an abundant number, since it is smaller than the sum of its proper divisors (33302570).

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

27399190 is a wasteful number, since it uses less digits than its factorization.

27399190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30136.

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 27399190 is about 5234.4235594762. The cubic root of 27399190 is about 301.4712543882.

The spelling of 27399190 in words is "twenty-seven million, three hundred ninety-nine thousand, one hundred ninety".