2003424404 has 24 divisors (see below), whose sum is σ = 3526646760. Its totient is φ = 995825664.

The previous prime is 2003424389. The next prime is 2003424413. The reversal of 2003424404 is 4044243002.

It can be written as a sum of positive squares in 4 ways, for example, as 203119504 + 1800304900 = 14252^2 + 42430^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2003424404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771332 + ... + 773924.

It is an arithmetic number, because the mean of its divisors is an integer number (146943615).

Almost surely, 2^2003424404 is an apocalyptic number.

It is an amenable number.

2003424404 is a deficient number, since it is larger than the sum of its proper divisors (1523222356).

2003424404 is a wasteful number, since it uses less digits than its factorization.

2003424404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3659 (or 3657 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 2003424404 is about 44759.6291763013. The cubic root of 2003424404 is about 1260.6397196620.

Adding to 2003424404 its reverse (4044243002), we get a palindrome (6047667406).

The spelling of 2003424404 in words is "two billion, three million, four hundred twenty-four thousand, four hundred four".