It is a tau number, because it is divible by the number of its divisors (48).
It is a tetranacci number.
It is a d-powerful number, because it can be written as 33 + 94 + 62 + 44 + 85 .
It is a nialpdrome in base 15.
It is a zygodrome in base 15.
It is a congruent number.
It is an unprimeable number.
39648 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
239648 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 39648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39648 is a wasteful number, since it uses less digits than its factorization.
39648 is an odious number, because the sum of its binary digits is odd.
The square root of 39648 is about 199.1180554345. The cubic root of 39648 is about 34.0989046297.
The spelling of 39648 in words is "thirty-nine thousand, six hundred forty-eight".