8345009 has 8 divisors (see below), whose sum is σ = 8951040. Its totient is φ = 7755696.

The previous prime is 8344993. The next prime is 8345023. The reversal of 8345009 is 9005438.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8345009 - 2⁴ = 8344993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8345039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3137 + ... + 5150.

It is an arithmetic number, because the mean of its divisors is an integer number (1118880).

Almost surely, 2^8345009 is an apocalyptic number.

It is an amenable number.

8345009 is a deficient number, since it is larger than the sum of its proper divisors (606031).

8345009 is a wasteful number, since it uses less digits than its factorization.

8345009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8359.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 8345009 is about 2888.7729228861. The cubic root of 8345009 is about 202.8347073505.

The spelling of 8345009 in words is "eight million, three hundred forty-five thousand, nine".