28324230 has 32 divisors (see below), whose sum is σ = 74158848. Its totient is φ = 6866400.

The previous prime is 28324223. The next prime is 28324253. The reversal of 28324230 is 3242382.

It is a self number, because there is not a number n which added to its sum of digits gives 28324230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42586 + ... + 43245.

It is an arithmetic number, because the mean of its divisors is an integer number (2317464).

Almost surely, 2^28324230 is an apocalyptic number.

28324230 is an abundant number, since it is smaller than the sum of its proper divisors (45834618).

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

28324230 is a wasteful number, since it uses less digits than its factorization.

28324230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85852.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 28324230 is about 5322.0512962579. The cubic root of 28324230 is about 304.8264891453.

The spelling of 28324230 in words is "twenty-eight million, three hundred twenty-four thousand, two hundred thirty".