27310989 has 8 divisors (see below), whose sum is σ = 36476512. Its totient is φ = 18176400.

The previous prime is 27310973. The next prime is 27311017. The reversal of 27310989 is 98901372.

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

It is not a de Polignac number, because 27310989 - 2⁴ = 27310973 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 (27310919) 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 7 ways as a sum of consecutive naturals, for example, 5587 + ... + 9264.

It is an arithmetic number, because the mean of its divisors is an integer number (4559564).

Almost surely, 2^27310989 is an apocalyptic number.

It is an amenable number.

27310989 is a deficient number, since it is larger than the sum of its proper divisors (9165523).

27310989 is a wasteful number, since it uses less digits than its factorization.

27310989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15467.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 27310989 is about 5225.9916762276. The cubic root of 27310989 is about 301.1474169638.

The spelling of 27310989 in words is "twenty-seven million, three hundred ten thousand, nine hundred eighty-nine".