It is a Jordan-Polya number, since it can be written as 7! ⋅ (3!)3.
1088640 is a `hidden beast` number, since 10 + 8 + 8 + 640 = 666.
It is a tau number, because it is divible by the number of its divisors (192).
It is a congruent number.
21088640 is an apocalyptic number.
1088640 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 1088640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2227680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1088640 is an frugal number, since it uses more digits than its factorization.
1088640 is an evil number, because the sum of its binary digits is even.
The square root of 1088640 is about 1043.3791257256. The cubic root of 1088640 is about 102.8714265878.
The spelling of 1088640 in words is "one million, eighty-eight thousand, six hundred forty".