It is a tau number, because it is divible by the number of its divisors (80).
21536640 is an apocalyptic number.
1536640 is a gapful number since it is divisible by the number (10) 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 1536640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2142765).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1536640 is an frugal number, since it uses more digits than its factorization.
1536640 is an odious number, because the sum of its binary digits is odd.
The square root of 1536640 is about 1239.6128427860. The cubic root of 1536640 is about 115.3959883946.
The spelling of 1536640 in words is "one million, five hundred thirty-six thousand, six hundred forty".