It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an unprimeable number.
21146624 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 1146624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1526868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1146624 is an equidigital number, since it uses as much as digits as its factorization.
1146624 is an odious number, because the sum of its binary digits is odd.
The square root of 1146624 is about 1070.8053044321. The cubic root of 1146624 is about 104.6663330934. Note that the first 3 decimals are identical.
The spelling of 1146624 in words is "one million, one hundred forty-six thousand, six hundred twenty-four".