800850 has 48 divisors (see below), whose sum is σ = 2098080. Its totient is φ = 201600.

The previous prime is 800801. The next prime is 800861. The reversal of 800850 is 58008.

It is an unprimeable number.

800850 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2710 + ... + 2990.

It is an arithmetic number, because the mean of its divisors is an integer number (43710).

2⁸⁰⁰⁸⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 800850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1049040).

800850 is an abundant number, since it is smaller than the sum of its proper divisors (1297230).

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

800850 is a wasteful number, since it uses less digits than its factorization.

800850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 800850 is about 894.9022292966. The cubic root of 800850 is about 92.8646429558.

Adding to 800850 its reverse (58008), we get a palindrome (858858).

The spelling of 800850 in words is "eight hundred thousand, eight hundred fifty".