6390907 has 2 divisors, whose sum is σ = 6390908. Its totient is φ = 6390906.

The previous prime is 6390893. The next prime is 6390947. The reversal of 6390907 is 7090936.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6390907 - 2¹¹ = 6388859 is a prime.

It is not a weakly prime, because it can be changed into another prime (6390947) 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, 3195453 + 3195454.

It is an arithmetic number, because the mean of its divisors is an integer number (3195454).

Almost surely, 2^6390907 is an apocalyptic number.

6390907 is a deficient number, since it is larger than the sum of its proper divisors (1).

6390907 is an equidigital number, since it uses as much as digits as its factorization.

6390907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 6390907 is about 2528.0243274146. The cubic root of 6390907 is about 185.5755825705.

The spelling of 6390907 in words is "six million, three hundred ninety thousand, nine hundred seven".