It is a self number, because there is not a number n which added to its sum of digits gives 449430.
It is a congruent number.
2449430 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 449430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
449430 is a wasteful number, since it uses less digits than its factorization.
449430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 292.
The square root of 449430 is about 670.3954057122. The cubic root of 449430 is about 76.5985742815.
The spelling of 449430 in words is "four hundred forty-nine thousand, four hundred thirty".