It is a happy number.
The square root of 10000 is 100.
10000 is nontrivially palindromic in base 9.
It is a tau number, because it is divible by the number of its divisors (25).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a Duffinian number.
It is a nialpdrome in base 5 and base 10.
210000 is an apocalyptic number.
10000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10000 is the 100-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10000
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10000 is an frugal number, since it uses more digits than its factorization.
10000 is an odious number, because the sum of its binary digits is odd.
The cubic root of 10000 is about 21.5443469003.
The spelling of 10000 in words is "ten thousand", and thus it is an iban number.