8370009 has 12 divisors (see below), whose sum is σ = 12507300. Its totient is φ = 5387424.

The previous prime is 8369989. The next prime is 8370049. The reversal of 8370009 is 9000738.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5745609 + 2624400 = 2397^2 + 1620^2 .

It is not a de Polignac number, because 8370009 - 2¹² = 8365913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8370049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15774 + ... + 16295.

It is an arithmetic number, because the mean of its divisors is an integer number (1042275).

Almost surely, 2^8370009 is an apocalyptic number.

It is an amenable number.

8370009 is a deficient number, since it is larger than the sum of its proper divisors (4137291).

8370009 is a wasteful number, since it uses less digits than its factorization.

8370009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32104 (or 32101 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 8370009 is about 2893.0967837250. The cubic root of 8370009 is about 203.0370563363.

The spelling of 8370009 in words is "eight million, three hundred seventy thousand, nine".