It is a harmonic number, since the harmonic mean of its divisors is an integer.
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.
Almost surely, 232997888 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 32997888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62853120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
32997888 is a wasteful number, since it uses less digits than its factorization.
32997888 is an evil number, because the sum of its binary digits is even.
The square root of 32997888 is about 5744.3788175920. The cubic root of 32997888 is about 320.7465901137.
The spelling of 32997888 in words is "thirty-two million, nine hundred ninety-seven thousand, eight hundred eighty-eight".