27944428 has 12 divisors (see below), whose sum is σ = 49034440. Its totient is φ = 13934592.

The previous prime is 27944417. The next prime is 27944431. The reversal of 27944428 is 82444972.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7701 + ... + 10732.

Almost surely, 2^27944428 is an apocalyptic number.

It is an amenable number.

27944428 is a deficient number, since it is larger than the sum of its proper divisors (21090012).

27944428 is a wasteful number, since it uses less digits than its factorization.

27944428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18816 (or 18814 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 27944428 is about 5286.2489536532. The cubic root of 27944428 is about 303.4578720860.

The spelling of 27944428 in words is "twenty-seven million, nine hundred forty-four thousand, four hundred twenty-eight".