It is a zygodrome in base 4.
It is a congruent number.
It is an unprimeable number.
Almost surely, 290876240 is an apocalyptic number.
90876240 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 90876240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200403840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90876240 is a wasteful number, since it uses less digits than its factorization.
90876240 is an evil number, because the sum of its binary digits is even.
The square root of 90876240 is about 9532.9030205914. The cubic root of 90876240 is about 449.5901453411.
The spelling of 90876240 in words is "ninety million, eight hundred seventy-six thousand, two hundred forty".