850881 has 8 divisors (see below), whose sum is σ = 1141504. Its totient is φ = 563760.

The previous prime is 850879. The next prime is 850891. The reversal of 850881 is 188058.

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

It is not a de Polignac number, because 850881 - 2¹ = 850879 is a prime.

It is a super-2 number, since 2×850881² = 1447996952322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (850891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241 + ... + 1326.

It is an arithmetic number, because the mean of its divisors is an integer number (142688).

2⁸⁵⁰⁸⁸¹ is an apocalyptic number.

It is an amenable number.

850881 is a deficient number, since it is larger than the sum of its proper divisors (290623).

850881 is a wasteful number, since it uses less digits than its factorization.

850881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751.

The product of its (nonzero) digits is 2560, while the sum is 30.

The square root of 850881 is about 922.4321113231. The cubic root of 850881 is about 94.7595396071.

The spelling of 850881 in words is "eight hundred fifty thousand, eight hundred eighty-one".