It is an Ulam number.
It is a nialpdrome in base 9.
It is a zygodrome in base 9.
It is a congruent number.
196830 is a Friedman number, since it can be written as 10*(9-6)^8*3, using all its digits and the basic arithmetic operations.
2196830 is an apocalyptic number.
196830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 196830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
196830 is an frugal number, since it uses more digits than its factorization.
196830 is an evil number, because the sum of its binary digits is even.
The square root of 196830 is about 443.6552715792. The cubic root of 196830 is about 58.1697366309.
The spelling of 196830 in words is "one hundred ninety-six thousand, eight hundred thirty".