11434209 has 16 divisors (see below), whose sum is σ = 15628800. Its totient is φ = 7433856.

The previous prime is 11434201. The next prime is 11434229. The reversal of 11434209 is 90243411.

11434209 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 11434209 - 2³ = 11434201 is a prime.

It is a super-2 number, since 2×11434209² = 261482270911362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11434201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23632 + ... + 24110.

It is an arithmetic number, because the mean of its divisors is an integer number (976800).

Almost surely, 2^11434209 is an apocalyptic number.

It is an amenable number.

11434209 is a deficient number, since it is larger than the sum of its proper divisors (4194591).

11434209 is a wasteful number, since it uses less digits than its factorization.

11434209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 11434209 is about 3381.4507241715. The cubic root of 11434209 is about 225.2866076004.

The spelling of 11434209 in words is "eleven million, four hundred thirty-four thousand, two hundred nine".