3486784400 is nontrivially palindromic in base 3 and base 9.
3486784400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
3486784400 is a nontrivial repdigit in base 3 and base 9.
It is a plaindrome in base 3 and base 9.
It is a nialpdrome in base 3 and base 9.
It is a zygodrome in base 3 and base 9.
It is a congruent number.
Being equal to 9×99-1, it is a generalized Woodall number.
Almost surely, 23486784400 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 3486784400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4683323946).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3486784400 is a wasteful number, since it uses less digits than its factorization.
3486784400 is an evil number, because the sum of its binary digits is even.
The square root of 3486784400 is about 59048.9999915325. Note that the first 5 decimals coincide. The cubic root of 3486784400 is about 1516.3811068599.
The spelling of 3486784400 in words is "three billion, four hundred eighty-six million, seven hundred eighty-four thousand, four hundred".