27439190 has 16 divisors (see below), whose sum is σ = 52296192. Its totient is φ = 10329984.

The previous prime is 27439177. The next prime is 27439193. The reversal of 27439190 is 9193472.

It is a super-2 number, since 2×27439190² = 1505818295712200, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 27439190.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27439193) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 80534 + ... + 80873.

It is an arithmetic number, because the mean of its divisors is an integer number (3268512).

Almost surely, 2^27439190 is an apocalyptic number.

27439190 is a deficient number, since it is larger than the sum of its proper divisors (24857002).

27439190 is a wasteful number, since it uses less digits than its factorization.

27439190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161431.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 27439190 is about 5238.2430260537. The cubic root of 27439190 is about 301.6178887316.

The spelling of 27439190 in words is "twenty-seven million, four hundred thirty-nine thousand, one hundred ninety".