27897030 has 48 divisors (see below), whose sum is σ = 82895904. Its totient is φ = 6376320.

The previous prime is 27897019. The next prime is 27897031. The reversal of 27897030 is 3079872.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27897031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21511 + ... + 22770.

It is an arithmetic number, because the mean of its divisors is an integer number (1726998).

Almost surely, 2^27897030 is an apocalyptic number.

27897030 is an abundant number, since it is smaller than the sum of its proper divisors (54998874).

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

27897030 is a wasteful number, since it uses less digits than its factorization.

27897030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44301 (or 44298 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 27897030 is about 5281.7639099074. The cubic root of 27897030 is about 303.2862047566.

The spelling of 27897030 in words is "twenty-seven million, eight hundred ninety-seven thousand, thirty".