432381812 has 12 divisors (see below), whose sum is σ = 756870660. Its totient is φ = 216133056.

The previous prime is 432381809. The next prime is 432381821. The reversal of 432381812 is 218183234.

It can be written as a sum of positive squares in 2 ways, for example, as 59660176 + 372721636 = 7724^2 + 19306^2 .

It is an alternating number because its digits alternate between even and odd.

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 3 ways as a sum of consecutive naturals, for example, 5378 + ... + 29894.

It is an arithmetic number, because the mean of its divisors is an integer number (63072555).

Almost surely, 2^432381812 is an apocalyptic number.

It is an amenable number.

432381812 is a deficient number, since it is larger than the sum of its proper divisors (324488848).

432381812 is a wasteful number, since it uses less digits than its factorization.

432381812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28930 (or 28928 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 432381812 is about 20793.7926314561. The cubic root of 432381812 is about 756.1752740681.

The spelling of 432381812 in words is "four hundred thirty-two million, three hundred eighty-one thousand, eight hundred twelve".