It is a nude number because it is divisible by every one of its digits.
It is an Ulam number.
It is a nialpdrome in base 16.
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 999936.
2999936 is an apocalyptic number.
999936 is a gapful number since it is divisible by the number (96) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 999936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1702272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
999936 is a wasteful number, since it uses less digits than its factorization.
999936 is an evil number, because the sum of its binary digits is even.
The square root of 999936 is about 999.9679994880. The cubic root of 999936 is about 99.9978666212.
The spelling of 999936 in words is "nine hundred ninety-nine thousand, nine hundred thirty-six".