2003432406 has 16 divisors (see below), whose sum is σ = 4018350000. Its totient is φ = 665896608.

The previous prime is 2003432341. The next prime is 2003432407. The reversal of 2003432406 is 6042343002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003432407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476281 + ... + 480468.

It is an arithmetic number, because the mean of its divisors is an integer number (251146875).

Almost surely, 2^2003432406 is an apocalyptic number.

2003432406 is an abundant number, since it is smaller than the sum of its proper divisors (2014917594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2003432406 is a wasteful number, since it uses less digits than its factorization.

2003432406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957103.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 2003432406 is about 44759.7185647989. The cubic root of 2003432406 is about 1260.6413980592.

Adding to 2003432406 its reverse (6042343002), we get a palindrome (8045775408).

The spelling of 2003432406 in words is "two billion, three million, four hundred thirty-two thousand, four hundred six".