Adding to 35490 its sum of digits (21), we get a triangular number (35511 = T266).
35490 is nontrivially palindromic in base 4.
35490 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
35490 is strictly pandigital in base 6.
It is a Curzon number.
It is a congruent number.
35490 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
235490 is an apocalyptic number.
35490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 35490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
35490 is a wasteful number, since it uses less digits than its factorization.
35490 is an evil number, because the sum of its binary digits is even.
The square root of 35490 is about 188.3878977005. The cubic root of 35490 is about 32.8626059869.
The spelling of 35490 in words is "thirty-five thousand, four hundred ninety".