28580082 has 16 divisors (see below), whose sum is σ = 57283392. Its totient is φ = 9506160.

The previous prime is 28580063. The next prime is 28580113. The reversal of 28580082 is 28008582.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1969 + ... + 7812.

It is an arithmetic number, because the mean of its divisors is an integer number (3580212).

Almost surely, 2^28580082 is an apocalyptic number.

28580082 is an abundant number, since it is smaller than the sum of its proper divisors (28703310).

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

28580082 is a wasteful number, since it uses less digits than its factorization.

28580082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10273.

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 28580082 is about 5346.0342310913. The cubic root of 28580082 is about 305.7415691516.

The spelling of 28580082 in words is "twenty-eight million, five hundred eighty thousand, eighty-two".