6433943 has 8 divisors (see below), whose sum is σ = 6597360. Its totient is φ = 6272640.

The previous prime is 6433937. The next prime is 6433963. The reversal of 6433943 is 3493346.

It is a happy number.

6433943 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6433943 - 2⁴ = 6433927 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6433963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6863 + ... + 7743.

It is an arithmetic number, because the mean of its divisors is an integer number (824670).

Almost surely, 2^6433943 is an apocalyptic number.

6433943 is a deficient number, since it is larger than the sum of its proper divisors (163417).

6433943 is a wasteful number, since it uses less digits than its factorization.

6433943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057.

The product of its digits is 23328, while the sum is 32.

The square root of 6433943 is about 2536.5218311696. The cubic root of 6433943 is about 185.9912028059.

The spelling of 6433943 in words is "six million, four hundred thirty-three thousand, nine hundred forty-three".