886689 has 12 divisors (see below), whose sum is σ = 1297296. Its totient is φ = 583512.

The previous prime is 886667. The next prime is 886741. The reversal of 886689 is 986688.

886689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 886689 - 2⁸ = 886433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (886609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154 + ... + 1340.

It is an arithmetic number, because the mean of its divisors is an integer number (108108).

2⁸⁸⁶⁶⁸⁹ is an apocalyptic number.

It is an amenable number.

886689 is a deficient number, since it is larger than the sum of its proper divisors (410607).

886689 is a wasteful number, since it uses less digits than its factorization.

886689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276 (or 1273 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 886689 is about 941.6416515851. The cubic root of 886689 is about 96.0705861081.

Subtracting from 886689 its product of digits (165888), we obtain a square (720801 = 849²).

Subtracting 886689 from its reverse (986688), we obtain a palindrome (99999).

The spelling of 886689 in words is "eight hundred eighty-six thousand, six hundred eighty-nine".