11038209 has 16 divisors (see below), whose sum is σ = 18114432. Its totient is φ = 5822208.

The previous prime is 11038193. The next prime is 11038213. The reversal of 11038209 is 90283011.

It is not a de Polignac number, because 11038209 - 2⁴ = 11038193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11038289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19944 + ... + 20489.

It is an arithmetic number, because the mean of its divisors is an integer number (1132152).

Almost surely, 2^11038209 is an apocalyptic number.

It is an amenable number.

11038209 is a deficient number, since it is larger than the sum of its proper divisors (7076223).

11038209 is a wasteful number, since it uses less digits than its factorization.

11038209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40456.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 11038209 is about 3322.3800204071. The cubic root of 11038209 is about 222.6552146791.

The spelling of 11038209 in words is "eleven million, thirty-eight thousand, two hundred nine".