6434039 has 2 divisors, whose sum is σ = 6434040. Its totient is φ = 6434038.

The previous prime is 6434033. The next prime is 6434053. The reversal of 6434039 is 9304346.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6434039 - 2²⁰ = 5385463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6434033) by changing a digit.

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 as a sum of consecutive naturals, namely, 3217019 + 3217020.

It is an arithmetic number, because the mean of its divisors is an integer number (3217020).

Almost surely, 2^6434039 is an apocalyptic number.

6434039 is a deficient number, since it is larger than the sum of its proper divisors (1).

6434039 is an equidigital number, since it uses as much as digits as its factorization.

6434039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 6434039 is about 2536.5407546499. The cubic root of 6434039 is about 185.9921278512.

The spelling of 6434039 in words is "six million, four hundred thirty-four thousand, thirty-nine".