6427039 has 2 divisors, whose sum is σ = 6427040. Its totient is φ = 6427038.

The previous prime is 6427007. The next prime is 6427061. The reversal of 6427039 is 9307246.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6427039 - 2⁵ = 6427007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6427039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6427079) 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, 3213519 + 3213520.

It is an arithmetic number, because the mean of its divisors is an integer number (3213520).

Almost surely, 2^6427039 is an apocalyptic number.

6427039 is a deficient number, since it is larger than the sum of its proper divisors (1).

6427039 is an equidigital number, since it uses as much as digits as its factorization.

6427039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 6427039 is about 2535.1605471843. The cubic root of 6427039 is about 185.9246524890.

The spelling of 6427039 in words is "six million, four hundred twenty-seven thousand, thirty-nine".