27089900 has 18 divisors (see below), whose sum is σ = 58785300. Its totient is φ = 10835920.

The previous prime is 27089899. The next prime is 27089941. The reversal of 27089900 is 998072.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135350 + ... + 135549.

It is an arithmetic number, because the mean of its divisors is an integer number (3265850).

Almost surely, 2^27089900 is an apocalyptic number.

27089900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27089900 is an abundant number, since it is smaller than the sum of its proper divisors (31695400).

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

27089900 is a wasteful number, since it uses less digits than its factorization.

27089900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270913 (or 270906 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 27089900 is about 5204.7958653534. The cubic root of 27089900 is about 300.3325940973.

The spelling of 27089900 in words is "twenty-seven million, eighty-nine thousand, nine hundred".