1838 is nontrivially palindromic in base 15.
1838 is an esthetic number in base 8, because in such base its adjacent digits differ by 1.
It is a semiprime because it is the product of two primes.
It is an alternating number because its digits alternate between odd and even.
1838 is an undulating number in base 15.
It is a Curzon number.
It is a plaindrome in base 8.
It is a nialpdrome in base 14.
It is a congruent number.
1838 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
1838 is an equidigital number, since it uses as much as digits as its factorization.
1838 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 921.
The square root of 1838 is about 42.8719022205. The cubic root of 1838 is about 12.2494099396.
The spelling of 1838 in words is "one thousand, eight hundred thirty-eight".