It is a congruent number.
It is an unprimeable number.
2498420 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 498420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (846720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
498420 is a wasteful number, since it uses less digits than its factorization.
498420 is an evil number, because the sum of its binary digits is even.
The square root of 498420 is about 705.9886684643. The cubic root of 498420 is about 79.2863612595.
The spelling of 498420 in words is "four hundred ninety-eight thousand, four hundred twenty".