885891 has 16 divisors (see below), whose sum is σ = 1269504. Its totient is φ = 548064.

The previous prime is 885889. The next prime is 885893. The reversal of 885891 is 198588.

It is an interprime number because it is at equal distance from previous prime (885889) and next prime (885893).

It is not a de Polignac number, because 885891 - 2¹ = 885889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (885893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2380 + ... + 2726.

It is an arithmetic number, because the mean of its divisors is an integer number (79344).

2⁸⁸⁵⁸⁹¹ is an apocalyptic number.

885891 is a deficient number, since it is larger than the sum of its proper divisors (383613).

885891 is a wasteful number, since it uses less digits than its factorization.

885891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410.

The product of its digits is 23040, while the sum is 39.

The square root of 885891 is about 941.2178281354. The cubic root of 885891 is about 96.0417570080.

The spelling of 885891 in words is "eight hundred eighty-five thousand, eight hundred ninety-one".