28786200 has 48 divisors (see below), whose sum is σ = 89239080. Its totient is φ = 7676160.

The previous prime is 28786189. The next prime is 28786213. The reversal of 28786200 is 268782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23389 + ... + 24588.

Almost surely, 2^28786200 is an apocalyptic number.

28786200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28786200 is an abundant number, since it is smaller than the sum of its proper divisors (60452880).

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

28786200 is a wasteful number, since it uses less digits than its factorization.

28786200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47996 (or 47987 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 28786200 is about 5365.2772528547. The cubic root of 28786200 is about 306.4748064774.

The spelling of 28786200 in words is "twenty-eight million, seven hundred eighty-six thousand, two hundred".