9013809 has 48 divisors (see below), whose sum is σ = 15361920. Its totient is φ = 4596480.

The previous prime is 9013747. The next prime is 9013811. The reversal of 9013809 is 9083109.

It is a happy number.

It is not a de Polignac number, because 9013809 - 2¹⁹ = 8489521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9013889) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 219829 + ... + 219869.

It is an arithmetic number, because the mean of its divisors is an integer number (320040).

Almost surely, 2^9013809 is an apocalyptic number.

It is an amenable number.

9013809 is a deficient number, since it is larger than the sum of its proper divisors (6348111).

9013809 is a wasteful number, since it uses less digits than its factorization.

9013809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 9013809 is about 3002.3006178596. The cubic root of 9013809 is about 208.1147126732.

The spelling of 9013809 in words is "nine million, thirteen thousand, eight hundred nine".