27990589 has 8 divisors (see below), whose sum is σ = 30879360. Its totient is φ = 25159200.

The previous prime is 27990587. The next prime is 27990601. The reversal of 27990589 is 98509972.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27990589 - 2¹ = 27990587 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27990581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13317 + ... + 15274.

It is an arithmetic number, because the mean of its divisors is an integer number (3859920).

Almost surely, 2^27990589 is an apocalyptic number.

It is an amenable number.

27990589 is a deficient number, since it is larger than the sum of its proper divisors (2888771).

27990589 is a wasteful number, since it uses less digits than its factorization.

27990589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28691.

The product of its (nonzero) digits is 408240, while the sum is 49.

The square root of 27990589 is about 5290.6132914814. The cubic root of 27990589 is about 303.6248727339.

The spelling of 27990589 in words is "twenty-seven million, nine hundred ninety thousand, five hundred eighty-nine".