28447204 has 12 divisors (see below), whose sum is σ = 50626800. Its totient is φ = 13982408.

The previous prime is 28447201. The next prime is 28447213. The reversal of 28447204 is 40274482.

It is not an unprimeable number, because it can be changed into a prime (28447201) by changing a digit.

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, 60034 + ... + 60505.

It is an arithmetic number, because the mean of its divisors is an integer number (4218900).

Almost surely, 2^28447204 is an apocalyptic number.

It is an amenable number.

28447204 is a deficient number, since it is larger than the sum of its proper divisors (22179596).

28447204 is a wasteful number, since it uses less digits than its factorization.

28447204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120602 (or 120600 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 31.

The square root of 28447204 is about 5333.5920353923. The cubic root of 28447204 is about 305.2670025988.

The spelling of 28447204 in words is "twenty-eight million, four hundred forty-seven thousand, two hundred four".