It is a tau number, because it is divible by the number of its divisors (48).
It is a nude number because it is divisible by every one of its digits.
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 69984.
It is an unprimeable number.
69984 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
69984 is a Friedman number, since it can be written as 9*6^(9-8+4), using all its digits and the basic arithmetic operations.
269984 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 69984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69984 is an frugal number, since it uses more digits than its factorization.
69984 is an odious number, because the sum of its binary digits is odd.
The square root of 69984 is about 264.5448922206. The cubic root of 69984 is about 41.2097127319.
The spelling of 69984 in words is "sixty-nine thousand, nine hundred eighty-four".