It is a Curzon number.
21427514 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1427514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1596672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1427514 is a wasteful number, since it uses less digits than its factorization.
1427514 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 562.
The square root of 1427514 is about 1194.7861733381. The cubic root of 1427514 is about 112.5969928959.
The spelling of 1427514 in words is "one million, four hundred twenty-seven thousand, five hundred fourteen".