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 1683396.
21683396 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 1683396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2587200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1683396 is a wasteful number, since it uses less digits than its factorization.
1683396 is an evil number, because the sum of its binary digits is even.
The square root of 1683396 is about 1297.4575137553. The cubic root of 1683396 is about 118.9584865671.
The spelling of 1683396 in words is "one million, six hundred eighty-three thousand, three hundred ninety-six".