1590 is nontrivially palindromic in base 14 and base 16.
1590 is an undulating number in base 14 and base 16.
It is a Curzon number.
It is a nialpdrome in base 7, base 13 and base 15.
It is a congruent number.
21590 is an apocalyptic number.
1590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1590 is a wasteful number, since it uses less digits than its factorization.
1590 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63.
The square root of 1590 is about 39.8748040748. The cubic root of 1590 is about 11.6716531972.
The spelling of 1590 in words is "one thousand, five hundred ninety".