28796250 has 80 divisors (see below), whose sum is σ = 82323648. Its totient is φ = 6576000.

The previous prime is 28796239. The next prime is 28796263. The reversal of 28796250 is 5269782.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28796199 and 28796208.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25702 + ... + 26798.

Almost surely, 2^28796250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28796250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41161824).

28796250 is an abundant number, since it is smaller than the sum of its proper divisors (53527398).

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

28796250 is a wasteful number, since it uses less digits than its factorization.

28796250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129 (or 1114 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 28796250 is about 5366.2137490040. The cubic root of 28796250 is about 306.5104683967.

The spelling of 28796250 in words is "twenty-eight million, seven hundred ninety-six thousand, two hundred fifty".