28830570 has 32 divisors (see below), whose sum is σ = 69500160. Its totient is φ = 7654080.

The previous prime is 28830563. The next prime is 28830583. The reversal of 28830570 is 7503882.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5160 + ... + 9180.

It is an arithmetic number, because the mean of its divisors is an integer number (2171880).

Almost surely, 2^28830570 is an apocalyptic number.

28830570 is an abundant number, since it is smaller than the sum of its proper divisors (40669590).

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

28830570 is a wasteful number, since it uses less digits than its factorization.

28830570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4270.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 28830570 is about 5369.4105821775. The cubic root of 28830570 is about 306.6321886779.

The spelling of 28830570 in words is "twenty-eight million, eight hundred thirty thousand, five hundred seventy".