8467009 has 2 divisors, whose sum is σ = 8467010. Its totient is φ = 8467008.

The previous prime is 8467007. The next prime is 8467021. The reversal of 8467009 is 9007648.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6110784 + 2356225 = 2472^2 + 1535^2 .

It is a cyclic number.

It is not a de Polignac number, because 8467009 - 2¹ = 8467007 is a prime.

Together with 8467007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8467007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4233504 + 4233505.

It is an arithmetic number, because the mean of its divisors is an integer number (4233505).

Almost surely, 2^8467009 is an apocalyptic number.

It is an amenable number.

8467009 is a deficient number, since it is larger than the sum of its proper divisors (1).

8467009 is an equidigital number, since it uses as much as digits as its factorization.

8467009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 8467009 is about 2909.8125369171. The cubic root of 8467009 is about 203.8183776925.

The spelling of 8467009 in words is "eight million, four hundred sixty-seven thousand, nine".