683900 has 36 divisors (see below), whose sum is σ = 1697808. Its totient is φ = 234240.

The previous prime is 683899. The next prime is 683909. The reversal of 683900 is 9386.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 683900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212 + ... + 1188.

2⁶⁸³⁹⁰⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 683900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (848904).

683900 is an abundant number, since it is smaller than the sum of its proper divisors (1013908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

683900 is a wasteful number, since it uses less digits than its factorization.

683900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998 (or 991 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 683900 is about 826.9824665614. The cubic root of 683900 is about 88.1043871445.

The spelling of 683900 in words is "six hundred eighty-three thousand, nine hundred".