11438436 has 24 divisors (see below), whose sum is σ = 26810784. Its totient is φ = 3795520.

The previous prime is 11438431. The next prime is 11438447. The reversal of 11438436 is 63483411.

It is not an unprimeable number, because it can be changed into a prime (11438431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751 + ... + 4841.

It is an arithmetic number, because the mean of its divisors is an integer number (1117116).

Almost surely, 2^11438436 is an apocalyptic number.

It is an amenable number.

11438436 is an abundant number, since it is smaller than the sum of its proper divisors (15372348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11438436 is a wasteful number, since it uses less digits than its factorization.

11438436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4331 (or 4329 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 11438436 is about 3382.0756940080. The cubic root of 11438436 is about 225.3143655085.

The spelling of 11438436 in words is "eleven million, four hundred thirty-eight thousand, four hundred thirty-six".