It is a tau number, because it is divible by the number of its divisors (96).
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 627840.
627840 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2627840 is an apocalyptic number.
627840 is a gapful number since it is divisible by the number (60) 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 627840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1093950).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
627840 is a wasteful number, since it uses less digits than its factorization.
627840 is an evil number, because the sum of its binary digits is even.
The square root of 627840 is about 792.3635529225. The cubic root of 627840 is about 85.6281038532.
The spelling of 627840 in words is "six hundred twenty-seven thousand, eight hundred forty".