688882 has 16 divisors (see below), whose sum is σ = 1096704. Its totient is φ = 324000.

The previous prime is 688871. The next prime is 688889. The reversal of 688882 is 288886.

It is not an unprimeable number, because it can be changed into a prime (688889) by changing a digit.

688882 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, 2407 + ... + 2677.

It is an arithmetic number, because the mean of its divisors is an integer number (68544).

2⁶⁸⁸⁸⁸² is an apocalyptic number.

688882 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

688882 is a deficient number, since it is larger than the sum of its proper divisors (407822).

688882 is a wasteful number, since it uses less digits than its factorization.

688882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345.

The product of its digits is 49152, while the sum is 40.

The square root of 688882 is about 829.9891565557. The cubic root of 688882 is about 88.3178074845.

It can be divided in two parts, 6 and 88882, that added together give a palindrome (88888).

The spelling of 688882 in words is "six hundred eighty-eight thousand, eight hundred eighty-two".