28323084 has 24 divisors (see below), whose sum is σ = 66428208. Its totient is φ = 9392320.

The previous prime is 28323077. The next prime is 28323089. The reversal of 28323084 is 48032382.

It is not an unprimeable number, because it can be changed into a prime (28323089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3627 + ... + 8354.

It is an arithmetic number, because the mean of its divisors is an integer number (2767842).

Almost surely, 2^28323084 is an apocalyptic number.

It is an amenable number.

28323084 is an abundant number, since it is smaller than the sum of its proper divisors (38105124).

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

28323084 is a wasteful number, since it uses less digits than its factorization.

28323084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12185 (or 12183 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 28323084 is about 5321.9436299157. The cubic root of 28323084 is about 304.8223779906.

The spelling of 28323084 in words is "twenty-eight million, three hundred twenty-three thousand, eighty-four".