28680324 has 24 divisors (see below), whose sum is σ = 67082400. Its totient is φ = 9537024.

The previous prime is 28680319. The next prime is 28680331. The reversal of 28680324 is 42308682.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2727 + ... + 8049.

It is an arithmetic number, because the mean of its divisors is an integer number (2795100).

Almost surely, 2^28680324 is an apocalyptic number.

It is an amenable number.

28680324 is an abundant number, since it is smaller than the sum of its proper divisors (38402076).

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

28680324 is a wasteful number, since it uses less digits than its factorization.

28680324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5779 (or 5777 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 28680324 is about 5355.4013855172. The cubic root of 28680324 is about 306.0986054982.

The spelling of 28680324 in words is "twenty-eight million, six hundred eighty thousand, three hundred twenty-four".