11644424 has 32 divisors (see below), whose sum is σ = 24049440. Its totient is φ = 5241600.

The previous prime is 11644379. The next prime is 11644433. The reversal of 11644424 is 42444611.

It is a super-2 number, since 2×11644424² = 271185220583552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11644393 and 11644402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9359 + ... + 10529.

It is an arithmetic number, because the mean of its divisors is an integer number (751545).

Almost surely, 2^11644424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11644424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12024720).

11644424 is an abundant number, since it is smaller than the sum of its proper divisors (12405016).

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

11644424 is a wasteful number, since it uses less digits than its factorization.

11644424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301 (or 1297 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 11644424 is about 3412.3927089361. The cubic root of 11644424 is about 226.6588444052.

The spelling of 11644424 in words is "eleven million, six hundred forty-four thousand, four hundred twenty-four".