28525828 has 12 divisors (see below), whose sum is σ = 51530752. Its totient is φ = 13802760.

The previous prime is 28525817. The next prime is 28525831. The reversal of 28525828 is 82852582.

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, 114900 + ... + 115147.

Almost surely, 2^28525828 is an apocalyptic number.

It is an amenable number.

28525828 is a deficient number, since it is larger than the sum of its proper divisors (23004924).

28525828 is a wasteful number, since it uses less digits than its factorization.

28525828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230082 (or 230080 counting only the distinct ones).

The product of its digits is 102400, while the sum is 40.

The square root of 28525828 is about 5340.9575920428. The cubic root of 28525828 is about 305.5479819953.

The spelling of 28525828 in words is "twenty-eight million, five hundred twenty-five thousand, eight hundred twenty-eight".