1856 is nontrivially palindromic in base 13.
It is an Ulam number.
It is an alternating number because its digits alternate between odd and even.
1856 is an undulating number in base 13.
It is a nialpdrome in base 16.
It is a congruent number.
It is an unprimeable number.
1856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1905).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1856 is an equidigital number, since it uses as much as digits as its factorization.
1856 is an evil number, because the sum of its binary digits is even.
The square root of 1856 is about 43.0813184571. The cubic root of 1856 is about 12.2892673027.
The spelling of 1856 in words is "one thousand, eight hundred fifty-six".