It is a congruent number.
21346488 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 1346488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1508220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1346488 is a wasteful number, since it uses less digits than its factorization.
1346488 is an evil number, because the sum of its binary digits is even.
The square root of 1346488 is about 1160.3826954932. The cubic root of 1346488 is about 110.4250223335.
The spelling of 1346488 in words is "one million, three hundred forty-six thousand, four hundred eighty-eight".