8613909 has 12 divisors (see below), whose sum is σ = 12509952. Its totient is φ = 5711400.

The previous prime is 8613893. The next prime is 8613911. The reversal of 8613909 is 9093168.

8613909 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 8613909 - 2⁴ = 8613893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8613929) 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, 787 + ... + 4224.

It is an arithmetic number, because the mean of its divisors is an integer number (1042496).

Almost surely, 2^8613909 is an apocalyptic number.

It is an amenable number.

8613909 is a deficient number, since it is larger than the sum of its proper divisors (3896043).

8613909 is a wasteful number, since it uses less digits than its factorization.

8613909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5208 (or 5205 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 8613909 is about 2934.9461664569. The cubic root of 8613909 is about 204.9903544936.

The spelling of 8613909 in words is "eight million, six hundred thirteen thousand, nine hundred nine".