885864 has 32 divisors (see below), whose sum is σ = 2531520. Its totient is φ = 253056.

The previous prime is 885839. The next prime is 885869. The reversal of 885864 is 468588.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (885869) by changing a digit.

885864 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, 2469 + ... + 2804.

It is an arithmetic number, because the mean of its divisors is an integer number (79110).

2⁸⁸⁵⁸⁶⁴ is an apocalyptic number.

885864 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

885864 is an abundant number, since it is smaller than the sum of its proper divisors (1645656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

885864 is a wasteful number, since it uses less digits than its factorization.

885864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5289 (or 5285 counting only the distinct ones).

The product of its digits is 61440, while the sum is 39.

The square root of 885864 is about 941.2034849064. The cubic root of 885864 is about 96.0407812846.

The spelling of 885864 in words is "eight hundred eighty-five thousand, eight hundred sixty-four".