It is an ABA number since it can be written as A⋅BA, here for A=19, B=2.
It is a nialpdrome in base 16.
It is a congruent number.
It is an unprimeable number.
Almost surely, 29961472 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 9961472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10485750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9961472 is an frugal number, since it uses more digits than its factorization.
9961472 is an odious number, because the sum of its binary digits is odd.
The square root of 9961472 is about 3156.1799695201. The cubic root of 9961472 is about 215.1664260351.
Multiplying 9961472 by its sum of digits (38), we get a square (378535936 = 194562).
9961472 divided by its sum of digits (38) gives a 18-th power (262144 = 218).
The spelling of 9961472 in words is "nine million, nine hundred sixty-one thousand, four hundred seventy-two".