It is a happy number.
426789216 is a `hidden beast` number, since 426 + 7 + 8 + 9 + 216 = 666.
426789216 is nontrivially palindromic in base 5.
It is a tau number, because it is divible by the number of its divisors (288).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
Almost surely, 2426789216 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 426789216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (767899440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
426789216 is a wasteful number, since it uses less digits than its factorization.
426789216 is an odious number, because the sum of its binary digits is odd.
The square root of 426789216 is about 20658.8774138383. The cubic root of 426789216 is about 752.9008932914.
The spelling of 426789216 in words is "four hundred twenty-six million, seven hundred eighty-nine thousand, two hundred sixteen".