27928004 has 24 divisors (see below), whose sum is σ = 53531520. Its totient is φ = 12669984.

The previous prime is 27927997. The next prime is 27928039. The reversal of 27928004 is 40082972.

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 7 ways as a sum of consecutive naturals, for example, 1484 + ... + 7619.

It is an arithmetic number, because the mean of its divisors is an integer number (2230480).

Almost surely, 2^27928004 is an apocalyptic number.

It is an amenable number.

27928004 is a deficient number, since it is larger than the sum of its proper divisors (25603516).

27928004 is a wasteful number, since it uses less digits than its factorization.

27928004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9179 (or 9177 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 27928004 is about 5284.6952608452. The cubic root of 27928004 is about 303.3984092020.

The spelling of 27928004 in words is "twenty-seven million, nine hundred twenty-eight thousand, four".