3842 is an esthetic number in base 15, because in such base its adjacent digits differ by 1.
It is a sphenic number, since it is the product of 3 distinct primes.
3842 is an undulating number in base 15.
It is a self number, because there is not a number n which added to its sum of digits gives 3842.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 3842.
3842 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
23842 is an apocalyptic number.
3842 is a wasteful number, since it uses less digits than its factorization.
3842 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 132.
The square root of 3842 is about 61.9838688692. The cubic root of 3842 is about 15.6621887509.
The spelling of 3842 in words is "three thousand, eight hundred forty-two".