28286750 has 16 divisors (see below), whose sum is σ = 52953264. Its totient is φ = 11314600.

The previous prime is 28286747. The next prime is 28286771. The reversal of 28286750 is 5768282.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56324 + ... + 56823.

It is an arithmetic number, because the mean of its divisors is an integer number (3309579).

Almost surely, 2^28286750 is an apocalyptic number.

28286750 is a deficient number, since it is larger than the sum of its proper divisors (24666514).

28286750 is a wasteful number, since it uses less digits than its factorization.

28286750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113164 (or 113154 counting only the distinct ones).

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

The square root of 28286750 is about 5318.5289319510. The cubic root of 28286750 is about 304.6919760465.

The spelling of 28286750 in words is "twenty-eight million, two hundred eighty-six thousand, seven hundred fifty".