850870 has 8 divisors (see below), whose sum is σ = 1531584. Its totient is φ = 340344.

The previous prime is 850853. The next prime is 850879. The reversal of 850870 is 78058.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42534 + ... + 42553.

It is an arithmetic number, because the mean of its divisors is an integer number (191448).

2⁸⁵⁰⁸⁷⁰ is an apocalyptic number.

850870 is a deficient number, since it is larger than the sum of its proper divisors (680714).

850870 is a wasteful number, since it uses less digits than its factorization.

850870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85094.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 850870 is about 922.4261488054. The cubic root of 850870 is about 94.7591312619.

The spelling of 850870 in words is "eight hundred fifty thousand, eight hundred seventy".