28502970 has 16 divisors (see below), whose sum is σ = 68407200. Its totient is φ = 7600784.

The previous prime is 28502941. The next prime is 28502989. The reversal of 28502970 is 7920582.

28502970 is a modest number, since divided by 2970 gives 2850 as remainder.

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, 475020 + ... + 475079.

It is an arithmetic number, because the mean of its divisors is an integer number (4275450).

Almost surely, 2^28502970 is an apocalyptic number.

28502970 is an abundant number, since it is smaller than the sum of its proper divisors (39904230).

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

28502970 is a wasteful number, since it uses less digits than its factorization.

28502970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950109.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 28502970 is about 5338.8172847551. The cubic root of 28502970 is about 305.4663474136.

The spelling of 28502970 in words is "twenty-eight million, five hundred two thousand, nine hundred seventy".