3918 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.
It is a sphenic number, since it is the product of 3 distinct primes.
3918 is an admirable number.
It is an Ulam number.
It is a plaindrome in base 5.
It is a nialpdrome in base 9.
It is a zygodrome in base 5.
It is a congruent number.
3918 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3918 is a wasteful number, since it uses less digits than its factorization.
3918 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 658.
The square root of 3918 is about 62.5939294181. The cubic root of 3918 is about 15.7647883275.
The spelling of 3918 in words is "three thousand, nine hundred eighteen".