Adding to 1829 its sum of digits (20), we get a square (1849 = 432).
1829 is nontrivially palindromic in base 14.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1829 is a prime.
It is a Duffinian number.
1829 is an undulating number in base 14.
It is a Curzon number.
It is a plaindrome in base 6 and base 8.
It is a nialpdrome in base 7 and base 13.
It is a self number, because there is not a number n which added to its sum of digits gives 1829.
It is a congruent number.
It is an upside-down number.
21829 is an apocalyptic number.
It is an amenable number.
1829 is an equidigital number, since it uses as much as digits as its factorization.
1829 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90.
The square root of 1829 is about 42.7668095607. The cubic root of 1829 is about 12.2293836207.
The spelling of 1829 in words is "one thousand, eight hundred twenty-nine".