It is a congruent number.
It is an unprimeable number.
Almost surely, 2100000404 is an apocalyptic number.
100000404 is a gapful number since it is divisible by the number (14) 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 100000404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145969824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
100000404 is a wasteful number, since it uses less digits than its factorization.
100000404 is an odious number, because the sum of its binary digits is odd.
The square root of 100000404 is about 10000.0201999796. The cubic root of 100000404 is about 464.1595084277.
Adding to 100000404 its reverse (404000001), we get a palindrome (504000405).
The spelling of 100000404 in words is "one hundred million, four hundred four", and thus it is an aban number.