11644338 has 16 divisors (see below), whose sum is σ = 23327136. Its totient is φ = 3875040.

The previous prime is 11644331. The next prime is 11644343. The reversal of 11644338 is 83344611.

It is not an unprimeable number, because it can be changed into a prime (11644331) 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 7 ways as a sum of consecutive naturals, for example, 3670 + ... + 6062.

It is an arithmetic number, because the mean of its divisors is an integer number (1457946).

Almost surely, 2^11644338 is an apocalyptic number.

11644338 is an abundant number, since it is smaller than the sum of its proper divisors (11682798).

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

11644338 is a wasteful number, since it uses less digits than its factorization.

11644338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3209.

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

The square root of 11644338 is about 3412.3801077840. The cubic root of 11644338 is about 226.6582864068.

Adding to 11644338 its reverse (83344611), we get a palindrome (94988949).

The spelling of 11644338 in words is "eleven million, six hundred forty-four thousand, three hundred thirty-eight".