8949309 has 16 divisors (see below), whose sum is σ = 12214272. Its totient is φ = 5827248.

The previous prime is 8949299. The next prime is 8949331. The reversal of 8949309 is 9039498.

8949309 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8949309 - 2⁷ = 8949181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8949379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31482 + ... + 31764.

It is an arithmetic number, because the mean of its divisors is an integer number (763392).

Almost surely, 2^8949309 is an apocalyptic number.

It is an amenable number.

8949309 is a deficient number, since it is larger than the sum of its proper divisors (3264963).

8949309 is a wasteful number, since it uses less digits than its factorization.

8949309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 8949309 is about 2991.5395701879. The cubic root of 8949309 is about 207.6171226331.

The spelling of 8949309 in words is "eight million, nine hundred forty-nine thousand, three hundred nine".