28850570 has 32 divisors (see below), whose sum is σ = 59574528. Its totient is φ = 9854208.

The previous prime is 28850561. The next prime is 28850597. The reversal of 28850570 is 7505882.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 28850570.

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, 22979 + ... + 24201.

It is an arithmetic number, because the mean of its divisors is an integer number (1861704).

Almost surely, 2^28850570 is an apocalyptic number.

28850570 is an abundant number, since it is smaller than the sum of its proper divisors (30723958).

28850570 is a wasteful number, since it uses less digits than its factorization.

28850570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574.

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 28850570 is about 5371.2726611111. The cubic root of 28850570 is about 306.7030766998.

The spelling of 28850570 in words is "twenty-eight million, eight hundred fifty thousand, five hundred seventy".