6399467 has 2 divisors, whose sum is σ = 6399468. Its totient is φ = 6399466.

The previous prime is 6399457. The next prime is 6399509. The reversal of 6399467 is 7649936.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6399467 - 2¹⁶ = 6333931 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6399427) 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, 3199733 + 3199734.

It is an arithmetic number, because the mean of its divisors is an integer number (3199734).

Almost surely, 2^6399467 is an apocalyptic number.

6399467 is a deficient number, since it is larger than the sum of its proper divisors (1).

6399467 is an equidigital number, since it uses as much as digits as its factorization.

6399467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 44.

The square root of 6399467 is about 2529.7167825668. The cubic root of 6399467 is about 185.6583991038.

The spelling of 6399467 in words is "six million, three hundred ninety-nine thousand, four hundred sixty-seven".