28184030 has 32 divisors (see below), whose sum is σ = 61032960. Its totient is φ = 9154080.

The previous prime is 28184017. The next prime is 28184041. The reversal of 28184030 is 3048182.

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, 9266 + ... + 11925.

It is an arithmetic number, because the mean of its divisors is an integer number (1907280).

Almost surely, 2^28184030 is an apocalyptic number.

28184030 is an abundant number, since it is smaller than the sum of its proper divisors (32848930).

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

28184030 is a wasteful number, since it uses less digits than its factorization.

28184030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21224.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 28184030 is about 5308.8633435040. The cubic root of 28184030 is about 304.3227110331.

The spelling of 28184030 in words is "twenty-eight million, one hundred eighty-four thousand, thirty".