28059570 has 96 divisors (see below), whose sum is σ = 90979200. Its totient is φ = 5829120.

The previous prime is 28059553. The next prime is 28059583. The reversal of 28059570 is 7595082.

28059570 is a `hidden beast` number, since 2 + 80 + 5 + 9 + 570 = 666.

It is a super-5 number, since 5×28059570⁵ (a number of 38 digits) contains 55555 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4906 + ... + 8954.

It is an arithmetic number, because the mean of its divisors is an integer number (947700).

Almost surely, 2^28059570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28059570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45489600).

28059570 is an abundant number, since it is smaller than the sum of its proper divisors (62919630).

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

28059570 is a wasteful number, since it uses less digits than its factorization.

28059570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4080 (or 4077 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 28059570 is about 5297.1284673868. The cubic root of 28059570 is about 303.8740894204.

The spelling of 28059570 in words is "twenty-eight million, fifty-nine thousand, five hundred seventy".