432432009 has 24 divisors (see below), whose sum is σ = 662193792. Its totient is φ = 270990720.

The previous prime is 432431999. The next prime is 432432031. The reversal of 432432009 is 900234234.

It is a happy number.

It is not a de Polignac number, because 432432009 - 2⁵ = 432431977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (432432089) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185964 + ... + 188274.

It is an arithmetic number, because the mean of its divisors is an integer number (27591408).

Almost surely, 2^432432009 is an apocalyptic number.

It is an amenable number.

432432009 is a deficient number, since it is larger than the sum of its proper divisors (229761783).

432432009 is a wasteful number, since it uses less digits than its factorization.

432432009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3557 (or 3554 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 432432009 is about 20794.9996152921. Note that the first 3 decimals coincide. The cubic root of 432432009 is about 756.2045354450.

The spelling of 432432009 in words is "four hundred thirty-two million, four hundred thirty-two thousand, nine".