27390089 has 8 divisors (see below), whose sum is σ = 27874560. Its totient is φ = 26910000.

The previous prime is 27390073. The next prime is 27390107. The reversal of 27390089 is 98009372.

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

It is a cyclic number.

It is not a de Polignac number, because 27390089 - 2⁴ = 27390073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27390589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13064 + ... + 15014.

It is an arithmetic number, because the mean of its divisors is an integer number (3484320).

Almost surely, 2^27390089 is an apocalyptic number.

It is an amenable number.

27390089 is a deficient number, since it is larger than the sum of its proper divisors (484471).

27390089 is a wasteful number, since it uses less digits than its factorization.

27390089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 27390089 is about 5233.5541460847. The cubic root of 27390089 is about 301.4378714825.

The spelling of 27390089 in words is "twenty-seven million, three hundred ninety thousand, eighty-nine".