Adding to 3402 its reverse (2043), we get a palindrome (5445).
3402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
3402 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
23402 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3402 is an equidigital number, since it uses as much as digits as its factorization.
3402 is an evil number, because the sum of its binary digits is even.
The square root of 3402 is about 58.3266662857. The cubic root of 3402 is about 15.0398938049.
The spelling of 3402 in words is "three thousand, four hundred two", and thus it is an iban number.