It is a self number, because there is not a number n which added to its sum of digits gives 3056640.
It is an unprimeable number.
Almost surely, 23056640 is an apocalyptic number.
3056640 is a gapful number since it is divisible by the number (30) 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 3056640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4912800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3056640 is a wasteful number, since it uses less digits than its factorization.
3056640 is an odious number, because the sum of its binary digits is odd.
The square root of 3056640 is about 1748.3249125949. The cubic root of 3056640 is about 145.1269597509.
The spelling of 3056640 in words is "three million, fifty-six thousand, six hundred forty".