683888 has 10 divisors (see below), whose sum is σ = 1325064. Its totient is φ = 341936.

The previous prime is 683887. The next prime is 683899. The reversal of 683888 is 888386.

It is a happy number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 683888.

It is not an unprimeable number, because it can be changed into a prime (683887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21356 + ... + 21387.

2⁶⁸³⁸⁸⁸ is an apocalyptic number.

It is an amenable number.

683888 is a deficient number, since it is larger than the sum of its proper divisors (641176).

683888 is a wasteful number, since it uses less digits than its factorization.

683888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42751 (or 42745 counting only the distinct ones).

The product of its digits is 73728, while the sum is 41.

The square root of 683888 is about 826.9752112367. The cubic root of 683888 is about 88.1038718358.

Adding to 683888 its sum of digits (41), we get a square (683929 = 827²).

The spelling of 683888 in words is "six hundred eighty-three thousand, eight hundred eighty-eight".