887689 has 16 divisors (see below), whose sum is σ = 1057536. Its totient is φ = 736000.

The previous prime is 887681. The next prime is 887693. The reversal of 887689 is 986788.

887689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 887689 - 2³ = 887681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (887681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8739 + ... + 8839.

It is an arithmetic number, because the mean of its divisors is an integer number (66096).

2⁸⁸⁷⁶⁸⁹ is an apocalyptic number.

It is an amenable number.

887689 is a deficient number, since it is larger than the sum of its proper divisors (169847).

887689 is a wasteful number, since it uses less digits than its factorization.

887689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176.

The product of its digits is 193536, while the sum is 46.

The square root of 887689 is about 942.1724895156. The cubic root of 887689 is about 96.1066883916.

Subtracting 887689 from its reverse (986788), we obtain a palindrome (99099).

It can be divided in two parts, 88 and 7689, that added together give a palindrome (7777).

The spelling of 887689 in words is "eight hundred eighty-seven thousand, six hundred eighty-nine".