28876250 has 40 divisors (see below), whose sum is σ = 58321956. Its totient is φ = 10656000.

The previous prime is 28876229. The next prime is 28876261. The reversal of 28876250 is 5267882.

It can be written as a sum of positive squares in 10 ways, for example, as 6056521 + 22819729 = 2461^2 + 4777^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15362 + ... + 17138.

Almost surely, 2^28876250 is an apocalyptic number.

28876250 is an abundant number, since it is smaller than the sum of its proper divisors (29445706).

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

28876250 is a wasteful number, since it uses less digits than its factorization.

28876250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812 (or 1797 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 28876250 is about 5373.6626243187. The cubic root of 28876250 is about 306.7940488979.

The spelling of 28876250 in words is "twenty-eight million, eight hundred seventy-six thousand, two hundred fifty".