27919190 has 16 divisors (see below), whose sum is σ = 54120528. Its totient is φ = 10308576.

The previous prime is 27919183. The next prime is 27919207. The reversal of 27919190 is 9191972.

It is a super-2 number, since 2×27919190² = 1558962340512200, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 107252 + ... + 107511.

It is an arithmetic number, because the mean of its divisors is an integer number (3382533).

Almost surely, 2^27919190 is an apocalyptic number.

27919190 is a deficient number, since it is larger than the sum of its proper divisors (26201338).

27919190 is a wasteful number, since it uses less digits than its factorization.

27919190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214783.

The product of its (nonzero) digits is 10206, while the sum is 38.

The square root of 27919190 is about 5283.8612775129. The cubic root of 27919190 is about 303.3664886138.

The spelling of 27919190 in words is "twenty-seven million, nine hundred nineteen thousand, one hundred ninety".