28560998 has 8 divisors (see below), whose sum is σ = 44318880. Its totient is φ = 13788040.

The previous prime is 28560989. The next prime is 28561019. The reversal of 28560998 is 89906582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246158 + ... + 246273.

It is an arithmetic number, because the mean of its divisors is an integer number (5539860).

Almost surely, 2^28560998 is an apocalyptic number.

28560998 is a deficient number, since it is larger than the sum of its proper divisors (15757882).

28560998 is a wasteful number, since it uses less digits than its factorization.

28560998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492462.

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 28560998 is about 5344.2490585675. The cubic root of 28560998 is about 305.6735022687.

The spelling of 28560998 in words is "twenty-eight million, five hundred sixty thousand, nine hundred ninety-eight".