It is a congruent number.
It is an unprimeable number.
Almost surely, 26286420 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6286420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7648704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6286420 is a wasteful number, since it uses less digits than its factorization.
6286420 is an evil number, because the sum of its binary digits is even.
The square root of 6286420 is about 2507.2734194738. The cubic root of 6286420 is about 184.5586753349.
The spelling of 6286420 in words is "six million, two hundred eighty-six thousand, four hundred twenty".