8943397432 has 32 divisors (see below), whose sum is σ = 17661243600. Its totient is φ = 4233993984.

The previous prime is 8943397367. The next prime is 8943397457. The reversal of 8943397432 is 2347933498.

It is a happy number.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 8943397432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275398 + ... + 306154.

Almost surely, 2^8943397432 is an apocalyptic number.

It is an amenable number.

8943397432 is a deficient number, since it is larger than the sum of its proper divisors (8717846168).

8943397432 is a wasteful number, since it uses less digits than its factorization.

8943397432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32695 (or 32691 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 52.

The square root of 8943397432 is about 94569.5375477749. The cubic root of 8943397432 is about 2075.7139794524.

The spelling of 8943397432 in words is "eight billion, nine hundred forty-three million, three hundred ninety-seven thousand, four hundred thirty-two".