27289144 has 8 divisors (see below), whose sum is σ = 51167160. Its totient is φ = 13644568.

The previous prime is 27289139. The next prime is 27289151. The reversal of 27289144 is 44198272.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1705564 + ... + 1705579.

It is an arithmetic number, because the mean of its divisors is an integer number (6395895).

Almost surely, 2^27289144 is an apocalyptic number.

It is an amenable number.

27289144 is a deficient number, since it is larger than the sum of its proper divisors (23878016).

27289144 is a wasteful number, since it uses less digits than its factorization.

27289144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411149 (or 3411145 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 27289144 is about 5223.9012241810. The cubic root of 27289144 is about 301.0671035036.

The spelling of 27289144 in words is "twenty-seven million, two hundred eighty-nine thousand, one hundred forty-four".