27983268 has 18 divisors (see below), whose sum is σ = 70735574. Its totient is φ = 9327744.

The previous prime is 27983191. The next prime is 27983273. The reversal of 27983268 is 86238972.

It can be written as a sum of positive squares in only one way, i.e., 21233664 + 6749604 = 4608^2 + 2598^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 388621 + ... + 388692.

Almost surely, 2^27983268 is an apocalyptic number.

It is an amenable number.

27983268 is an abundant number, since it is smaller than the sum of its proper divisors (42752306).

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

27983268 is a wasteful number, since it uses less digits than its factorization.

27983268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777323 (or 777318 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 27983268 is about 5289.9213604741. The cubic root of 27983268 is about 303.5983991750.

The spelling of 27983268 in words is "twenty-seven million, nine hundred eighty-three thousand, two hundred sixty-eight".