885871 has 12 divisors (see below), whose sum is σ = 1046520. Its totient is φ = 747600.

The previous prime is 885869. The next prime is 885881. The reversal of 885871 is 178588.

885871 = 39² + 40² + ... + 139².

It is not a de Polignac number, because 885871 - 2¹ = 885869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 885871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (885811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4860 + ... + 5038.

It is an arithmetic number, because the mean of its divisors is an integer number (87210).

2⁸⁸⁵⁸⁷¹ is an apocalyptic number.

885871 is a deficient number, since it is larger than the sum of its proper divisors (160649).

885871 is a wasteful number, since it uses less digits than its factorization.

885871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294 (or 287 counting only the distinct ones).

The product of its digits is 17920, while the sum is 37.

The square root of 885871 is about 941.2072035423. The cubic root of 885871 is about 96.0410342518.

It can be divided in two parts, 88587 and 1, that added together give a palindrome (88588).

The spelling of 885871 in words is "eight hundred eighty-five thousand, eight hundred seventy-one".