1006688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 1006688.
It is a congruent number.
It is an unprimeable number.
21006688 is an apocalyptic number.
It is an amenable number.
1006688 is a wasteful number, since it uses less digits than its factorization.
1006688 is an evil number, because the sum of its binary digits is even.
The square root of 1006688 is about 1003.3384274511. The cubic root of 1006688 is about 100.2224381790. Note that the first 3 decimals are identical.
The spelling of 1006688 in words is "one million, six thousand, six hundred eighty-eight".