885688 has 8 divisors (see below), whose sum is σ = 1660680. Its totient is φ = 442840.

The previous prime is 885679. The next prime is 885713. The reversal of 885688 is 886588.

885688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

885688 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 as a sum of consecutive naturals, namely, 55348 + ... + 55363.

It is an arithmetic number, because the mean of its divisors is an integer number (207585).

2⁸⁸⁵⁶⁸⁸ is an apocalyptic number.

It is an amenable number.

885688 is a deficient number, since it is larger than the sum of its proper divisors (774992).

885688 is a wasteful number, since it uses less digits than its factorization.

885688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110717 (or 110713 counting only the distinct ones).

The product of its digits is 122880, while the sum is 43.

The square root of 885688 is about 941.1099829457. The cubic root of 885688 is about 96.0344205275.

Subtracting 885688 from its reverse (886588), we obtain a square (900 = 30²).

It can be divided in two parts, 88 and 5688, that added together give a square (5776 = 76²).

The spelling of 885688 in words is "eight hundred eighty-five thousand, six hundred eighty-eight".