432839638 has 48 divisors (see below), whose sum is σ = 841549824. Its totient is φ = 165031440.

The previous prime is 432839633. The next prime is 432839647. The reversal of 432839638 is 836938234.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432839633) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 46395 + ... + 54937.

It is an arithmetic number, because the mean of its divisors is an integer number (17532288).

Almost surely, 2^432839638 is an apocalyptic number.

432839638 is a deficient number, since it is larger than the sum of its proper divisors (408710186).

432839638 is a wasteful number, since it uses less digits than its factorization.

432839638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8617 (or 8610 counting only the distinct ones).

The product of its digits is 746496, while the sum is 46.

The square root of 432839638 is about 20804.7984368991. The cubic root of 432839638 is about 756.4420711238.

The spelling of 432839638 in words is "four hundred thirty-two million, eight hundred thirty-nine thousand, six hundred thirty-eight".