It is a congruent number.
Almost surely, 2428086400 is an apocalyptic number.
428086400 is a gapful number since it is divisible by the number (40) 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 428086400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (626076000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
428086400 is a wasteful number, since it uses less digits than its factorization.
428086400 is an evil number, because the sum of its binary digits is even.
The square root of 428086400 is about 20690.2489110209. The cubic root of 428086400 is about 753.6629112813.
The spelling of 428086400 in words is "four hundred twenty-eight million, eighty-six thousand, four hundred".