27968428 has 24 divisors (see below), whose sum is σ = 49850640. Its totient is φ = 13728000.

The previous prime is 27968401. The next prime is 27968429. The reversal of 27968428 is 82486972.

It is not an unprimeable number, because it can be changed into a prime (27968429) 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, 89200 + ... + 89512.

It is an arithmetic number, because the mean of its divisors is an integer number (2077110).

Almost surely, 2^27968428 is an apocalyptic number.

It is an amenable number.

27968428 is a deficient number, since it is larger than the sum of its proper divisors (21882212).

27968428 is a wasteful number, since it uses less digits than its factorization.

27968428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657 (or 655 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The square root of 27968428 is about 5288.5185071057. The cubic root of 27968428 is about 303.5447218977.

The spelling of 27968428 in words is "twenty-seven million, nine hundred sixty-eight thousand, four hundred twenty-eight".