27989034 has 8 divisors (see below), whose sum is σ = 55978080. Its totient is φ = 9329676.

The previous prime is 27989009. The next prime is 27989041. The reversal of 27989034 is 43098972.

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

27989034 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2332414 + ... + 2332425.

It is an arithmetic number, because the mean of its divisors is an integer number (6997260).

Almost surely, 2^27989034 is an apocalyptic number.

27989034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27989034 is a wasteful number, since it uses less digits than its factorization.

27989034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4664844.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 27989034 is about 5290.4663310525. The cubic root of 27989034 is about 303.6192500652.

The spelling of 27989034 in words is "twenty-seven million, nine hundred eighty-nine thousand, thirty-four".