3428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a plaindrome in base 14.
It is a nialpdrome in base 8 and base 16.
It is an unprimeable number.
3428 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
23428 is an apocalyptic number.
It is an amenable number.
3428 is a wasteful number, since it uses less digits than its factorization.
3428 is an evil number, because the sum of its binary digits is even.
The square root of 3428 is about 58.5491246732. The cubic root of 3428 is about 15.0781110567.
The spelling of 3428 in words is "three thousand, four hundred twenty-eight".