28708850 has 24 divisors (see below), whose sum is σ = 54157248. Its totient is φ = 11320400.

The previous prime is 28708843. The next prime is 28708861. The reversal of 28708850 is 5880782.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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, 494 + ... + 7593.

It is an arithmetic number, because the mean of its divisors is an integer number (2256552).

Almost surely, 2^28708850 is an apocalyptic number.

28708850 is a deficient number, since it is larger than the sum of its proper divisors (25448398).

28708850 is a wasteful number, since it uses less digits than its factorization.

28708850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8170 (or 8165 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 28708850 is about 5358.0640160416. The cubic root of 28708850 is about 306.2000557176.

The spelling of 28708850 in words is "twenty-eight million, seven hundred eight thousand, eight hundred fifty".