8309349 has 12 divisors (see below), whose sum is σ = 12327276. Its totient is φ = 5389632.

The previous prime is 8309339. The next prime is 8309369. The reversal of 8309349 is 9439038.

8309349 is a `hidden beast` number, since 8 + 309 + 349 = 666.

8309349 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6796449 + 1512900 = 2607^2 + 1230^2 .

It is not a de Polignac number, because 8309349 - 2¹⁶ = 8243813 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8309339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12144 + ... + 12809.

It is an arithmetic number, because the mean of its divisors is an integer number (1027273).

Almost surely, 2^8309349 is an apocalyptic number.

It is an amenable number.

8309349 is a deficient number, since it is larger than the sum of its proper divisors (4017927).

8309349 is a wasteful number, since it uses less digits than its factorization.

8309349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24996 (or 24993 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 8309349 is about 2882.5941441694. The cubic root of 8309349 is about 202.5453762054.

The spelling of 8309349 in words is "eight million, three hundred nine thousand, three hundred forty-nine".