27084009 has 16 divisors (see below), whose sum is σ = 38888640. Its totient is φ = 16704000.

The previous prime is 27083989. The next prime is 27084017. The reversal of 27084009 is 90048072.

It is not a de Polignac number, because 27084009 - 2⁵ = 27083977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27082009) 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 15 ways as a sum of consecutive naturals, for example, 1492 + ... + 7509.

It is an arithmetic number, because the mean of its divisors is an integer number (2430540).

Almost surely, 2^27084009 is an apocalyptic number.

It is an amenable number.

27084009 is a deficient number, since it is larger than the sum of its proper divisors (11804631).

27084009 is a wasteful number, since it uses less digits than its factorization.

27084009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9080.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 27084009 is about 5204.2299142140. The cubic root of 27084009 is about 300.3108222982.

The spelling of 27084009 in words is "twenty-seven million, eighty-four thousand, nine".