885638 has 16 divisors (see below), whose sum is σ = 1493856. Its totient is φ = 390720.

The previous prime is 885623. The next prime is 885679. The reversal of 885638 is 836588.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

885638 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143 + ... + 1338.

It is an arithmetic number, because the mean of its divisors is an integer number (93366).

2⁸⁸⁵⁶³⁸ is an apocalyptic number.

885638 is a deficient number, since it is larger than the sum of its proper divisors (608218).

885638 is a wasteful number, since it uses less digits than its factorization.

885638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519.

The product of its digits is 46080, while the sum is 38.

The square root of 885638 is about 941.0834181942. The cubic root of 885638 is about 96.0326133406.

The spelling of 885638 in words is "eight hundred eighty-five thousand, six hundred thirty-eight".