It is a happy number.
It is an alternating number because its digits alternate between even and odd.
22709252 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 2709252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4219488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2709252 is a wasteful number, since it uses less digits than its factorization.
2709252 is an odious number, because the sum of its binary digits is odd.
The square root of 2709252 is about 1645.9805588159. The cubic root of 2709252 is about 139.4065354583.
The spelling of 2709252 in words is "two million, seven hundred nine thousand, two hundred fifty-two".