Adding to 100400 its reverse (4001), we get a palindrome (104401).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
2100400 is an apocalyptic number.
100400 is a gapful number since it is divisible by the number (10) 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 100400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121086).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
100400 is a wasteful number, since it uses less digits than its factorization.
100400 is an odious number, because the sum of its binary digits is odd.
The square root of 100400 is about 316.8595903551. The cubic root of 100400 is about 46.4776938530.
The spelling of 100400 in words is "one hundred thousand, four hundred", and thus it is an iban number.