8343009 has 6 divisors (see below), whose sum is σ = 12051026. Its totient is φ = 5562000.

The previous prime is 8342993. The next prime is 8343029. The reversal of 8343009 is 9003438.

It can be written as a sum of positive squares in only one way, i.e., 4422609 + 3920400 = 2103^2 + 1980^2 .

It is not a de Polignac number, because 8343009 - 2⁴ = 8342993 is a prime.

It is a Duffinian number.

8343009 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8343029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 463492 + ... + 463509.

Almost surely, 2^8343009 is an apocalyptic number.

It is an amenable number.

8343009 is a deficient number, since it is larger than the sum of its proper divisors (3708017).

8343009 is a wasteful number, since it uses less digits than its factorization.

8343009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927007 (or 927004 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 8343009 is about 2888.4267344006. The cubic root of 8343009 is about 202.8185019825.

The spelling of 8343009 in words is "eight million, three hundred forty-three thousand, nine".