6499800 is a `hidden beast` number, since 649 + 9 + 8 + 0 + 0 = 666.
6499800 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
Almost surely, 26499800 is an apocalyptic number.
6499800 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 6499800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11461320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6499800 is a wasteful number, since it uses less digits than its factorization.
6499800 is an evil number, because the sum of its binary digits is even.
The square root of 6499800 is about 2549.4705332676. The cubic root of 6499800 is about 186.6236437129.
The spelling of 6499800 in words is "six million, four hundred ninety-nine thousand, eight hundred".