28000250 has 32 divisors (see below), whose sum is σ = 53554176. Its totient is φ = 10957200.

The previous prime is 28000237. The next prime is 28000321. The reversal of 28000250 is 5200082.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10559 + ... + 12941.

It is an arithmetic number, because the mean of its divisors is an integer number (1673568).

Almost surely, 2^28000250 is an apocalyptic number.

28000250 is a deficient number, since it is larger than the sum of its proper divisors (25553926).

28000250 is a wasteful number, since it uses less digits than its factorization.

28000250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447 (or 2437 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 28000250 is about 5291.5262448560. The cubic root of 28000250 is about 303.6598009316.

The spelling of 28000250 in words is "twenty-eight million, two hundred fifty", and thus it is an aban number.