6434443 has 2 divisors, whose sum is σ = 6434444. Its totient is φ = 6434442.

The previous prime is 6434431. The next prime is 6434447. The reversal of 6434443 is 3444346.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6434443 - 2¹⁷ = 6303371 is a prime.

It is not a weakly prime, because it can be changed into another prime (6434447) 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 as a sum of consecutive naturals, namely, 3217221 + 3217222.

It is an arithmetic number, because the mean of its divisors is an integer number (3217222).

Almost surely, 2^6434443 is an apocalyptic number.

6434443 is a deficient number, since it is larger than the sum of its proper divisors (1).

6434443 is an equidigital number, since it uses as much as digits as its factorization.

6434443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 28.

The square root of 6434443 is about 2536.6203894158. The cubic root of 6434443 is about 185.9960206494.

Adding to 6434443 its reverse (3444346), we get a palindrome (9878789).

The spelling of 6434443 in words is "six million, four hundred thirty-four thousand, four hundred forty-three".