100404424 has 16 divisors (see below), whose sum is σ = 188444700. Its totient is φ = 50152512.

The previous prime is 100404383. The next prime is 100404427. The reversal of 100404424 is 424404001.

It can be written as a sum of positive squares in 2 ways, for example, as 100360324 + 44100 = 10018^2 + 210^2 .

It is not an unprimeable number, because it can be changed into a prime (100404427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3214 + ... + 14530.

Almost surely, 2^100404424 is an apocalyptic number.

It is an amenable number.

100404424 is a deficient number, since it is larger than the sum of its proper divisors (88040276).

100404424 is a wasteful number, since it uses less digits than its factorization.

100404424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12432 (or 12428 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 100404424 is about 10020.2007963913. The cubic root of 100404424 is about 464.7837650338.

Adding to 100404424 its reverse (424404001), we get a palindrome (524808425).

The spelling of 100404424 in words is "one hundred million, four hundred four thousand, four hundred twenty-four".