11434409 has 16 divisors (see below), whose sum is σ = 13872000. Its totient is φ = 9206784.

The previous prime is 11434403. The next prime is 11434417. The reversal of 11434409 is 90443411.

It is a cyclic number.

It is not a de Polignac number, because 11434409 - 2⁴ = 11434393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11434403) 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, 19529 + ... + 20105.

It is an arithmetic number, because the mean of its divisors is an integer number (867000).

Almost surely, 2^11434409 is an apocalyptic number.

11434409 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11434409 is a deficient number, since it is larger than the sum of its proper divisors (2437591).

11434409 is a wasteful number, since it uses less digits than its factorization.

11434409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 11434409 is about 3381.4802971480. The cubic root of 11434409 is about 225.2879211167.

The spelling of 11434409 in words is "eleven million, four hundred thirty-four thousand, four hundred nine".