28556850 has 48 divisors (see below), whose sum is σ = 80941248. Its totient is φ = 6527040.

The previous prime is 28556831. The next prime is 28556873. The reversal of 28556850 is 5865582.

It is a junction number, because it is equal to n+sod(n) for n = 28556799 and 28556808.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12549 + ... + 14648.

It is an arithmetic number, because the mean of its divisors is an integer number (1686276).

Almost surely, 2^28556850 is an apocalyptic number.

28556850 is an abundant number, since it is smaller than the sum of its proper divisors (52384398).

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

28556850 is a wasteful number, since it uses less digits than its factorization.

28556850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27219 (or 27214 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 39.

The square root of 28556850 is about 5343.8609637602. The cubic root of 28556850 is about 305.6587035903.

The spelling of 28556850 in words is "twenty-eight million, five hundred fifty-six thousand, eight hundred fifty".