It is a congruent number.
It is an unprimeable number.
Almost surely, 23958416 is an apocalyptic number.
3958416 is a gapful number since it is divisible by the number (36) 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 3958416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7633440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3958416 is a wasteful number, since it uses less digits than its factorization.
3958416 is an evil number, because the sum of its binary digits is even.
The square root of 3958416 is about 1989.5768394309. The cubic root of 3958416 is about 158.1881004964.
The spelling of 3958416 in words is "three million, nine hundred fifty-eight thousand, four hundred sixteen".