It is a congruent number.
Almost surely, 2397880208 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 397880208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (629870400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
397880208 is a wasteful number, since it uses less digits than its factorization.
397880208 is an evil number, because the sum of its binary digits is even.
The square root of 397880208 is about 19946.9348021193. The cubic root of 397880208 is about 735.5024303153.
The spelling of 397880208 in words is "three hundred ninety-seven million, eight hundred eighty thousand, two hundred eight".