850000828 has 24 divisors (see below), whose sum is σ = 1522483200. Its totient is φ = 415045488.

The previous prime is 850000783. The next prime is 850000841. The reversal of 850000828 is 828000058.

It is a self number, because there is not a number n which added to its sum of digits gives 850000828.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85333 + ... + 94771.

It is an arithmetic number, because the mean of its divisors is an integer number (63436800).

Almost surely, 2^850000828 is an apocalyptic number.

It is an amenable number.

850000828 is a deficient number, since it is larger than the sum of its proper divisors (672482372).

850000828 is a wasteful number, since it uses less digits than its factorization.

850000828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9969 (or 9967 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 850000828 is about 29154.7736743059. The cubic root of 850000828 is about 947.2685447694.

The spelling of 850000828 in words is "eight hundred fifty million, eight hundred twenty-eight", and thus it is an aban number.