8373009 has 8 divisors (see below), whose sum is σ = 11179840. Its totient is φ = 5574096.

The previous prime is 8372999. The next prime is 8373011. The reversal of 8373009 is 9003738.

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

It is a de Polignac number, because none of the positive numbers 2^k-8373009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8373049) 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 in 7 ways as a sum of consecutive naturals, for example, 1239 + ... + 4275.

It is an arithmetic number, because the mean of its divisors is an integer number (1397480).

Almost surely, 2^8373009 is an apocalyptic number.

It is an amenable number.

8373009 is a deficient number, since it is larger than the sum of its proper divisors (2806831).

8373009 is a wasteful number, since it uses less digits than its factorization.

8373009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3959.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 8373009 is about 2893.6152128436. The cubic root of 8373009 is about 203.0613111254.

The spelling of 8373009 in words is "eight million, three hundred seventy-three thousand, nine".