9813609 has 32 divisors (see below), whose sum is σ = 15912960. Its totient is φ = 5940864.

The previous prime is 9813593. The next prime is 9813611. The reversal of 9813609 is 9063189.

It is not a de Polignac number, because 9813609 - 2⁴ = 9813593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9813659) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25432 + ... + 25814.

It is an arithmetic number, because the mean of its divisors is an integer number (497280).

Almost surely, 2^9813609 is an apocalyptic number.

It is an amenable number.

9813609 is a deficient number, since it is larger than the sum of its proper divisors (6099351).

9813609 is a wasteful number, since it uses less digits than its factorization.

9813609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 472 counting only the distinct ones).

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

The square root of 9813609 is about 3132.6680322051. The cubic root of 9813609 is about 214.0965078440.

The spelling of 9813609 in words is "nine million, eight hundred thirteen thousand, six hundred nine".