32643943 has 2 divisors, whose sum is σ = 32643944. Its totient is φ = 32643942.

The previous prime is 32643929. The next prime is 32643977. The reversal of 32643943 is 34934623.

It is an a-pointer prime, because the next prime (32643977) can be obtained adding 32643943 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32643943 - 2⁹ = 32643431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32643899 and 32643908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32043943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16321971 + 16321972.

It is an arithmetic number, because the mean of its divisors is an integer number (16321972).

Almost surely, 2^32643943 is an apocalyptic number.

32643943 is a deficient number, since it is larger than the sum of its proper divisors (1).

32643943 is an equidigital number, since it uses as much as digits as its factorization.

32643943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 34.

The square root of 32643943 is about 5713.4878139364. The cubic root of 32643943 is about 319.5956579209.

The spelling of 32643943 in words is "thirty-two million, six hundred forty-three thousand, nine hundred forty-three".