27089244 has 72 divisors (see below), whose sum is σ = 84287840. Its totient is φ = 7143552.

The previous prime is 27089221. The next prime is 27089261. The reversal of 27089244 is 44298072.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 27089199 and 27089208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 859 + ... + 7410.

Almost surely, 2^27089244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27089244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42143920).

27089244 is an abundant number, since it is smaller than the sum of its proper divisors (57198596).

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

27089244 is a wasteful number, since it uses less digits than its factorization.

27089244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8299 (or 8294 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 27089244 is about 5204.7328461699. The cubic root of 27089244 is about 300.3301698263.

The spelling of 27089244 in words is "twenty-seven million, eighty-nine thousand, two hundred forty-four".