11644332 has 48 divisors (see below), whose sum is σ = 31530240. Its totient is φ = 3275712.

The previous prime is 11644331. The next prime is 11644343. The reversal of 11644332 is 23344611.

It is a nude number because it is divisible by every one of its digits.

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 15 ways as a sum of consecutive naturals, for example, 4594 + ... + 6662.

It is an arithmetic number, because the mean of its divisors is an integer number (656880).

Almost surely, 2^11644332 is an apocalyptic number.

11644332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11644332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15765120).

11644332 is an abundant number, since it is smaller than the sum of its proper divisors (19885908).

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

11644332 is a wasteful number, since it uses less digits than its factorization.

11644332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150 (or 2148 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 11644332 is about 3412.3792286321. The cubic root of 11644332 is about 226.6582474766.

Adding to 11644332 its reverse (23344611), we get a palindrome (34988943).

The spelling of 11644332 in words is "eleven million, six hundred forty-four thousand, three hundred thirty-two".