6428207 has 2 divisors, whose sum is σ = 6428208. Its totient is φ = 6428206.

The previous prime is 6428197. The next prime is 6428263. The reversal of 6428207 is 7028246.

6428207 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6428207 - 2⁸ = 6427951 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6428207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6428407) 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, 3214103 + 3214104.

It is an arithmetic number, because the mean of its divisors is an integer number (3214104).

Almost surely, 2^6428207 is an apocalyptic number.

6428207 is a deficient number, since it is larger than the sum of its proper divisors (1).

6428207 is an equidigital number, since it uses as much as digits as its factorization.

6428207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 6428207 is about 2535.3908968836. The cubic root of 6428207 is about 185.9359146394.

The spelling of 6428207 in words is "six million, four hundred twenty-eight thousand, two hundred seven".