850900 has 36 divisors (see below), whose sum is σ = 1888768. Its totient is φ = 332640.

The previous prime is 850897. The next prime is 850933. The reversal of 850900 is 9058.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6637 + ... + 6763.

2⁸⁵⁰⁹⁰⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 850900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (944384).

850900 is an abundant number, since it is smaller than the sum of its proper divisors (1037868).

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

850900 is a wasteful number, since it uses less digits than its factorization.

850900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 850900 is about 922.4424101265. The cubic root of 850900 is about 94.7602449223.

Adding to 850900 its reverse (9058), we get a palindrome (859958).

The spelling of 850900 in words is "eight hundred fifty thousand, nine hundred".