It is an unprimeable number.
Almost surely, 297867440 is an apocalyptic number.
97867440 is a gapful number since it is divisible by the number (90) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 97867440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185539464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
97867440 is a wasteful number, since it uses less digits than its factorization.
97867440 is an evil number, because the sum of its binary digits is even.
The square root of 97867440 is about 9892.7973799123. The cubic root of 97867440 is about 460.8356580479.
The spelling of 97867440 in words is "ninety-seven million, eight hundred sixty-seven thousand, four hundred forty".