11421344 has 48 divisors (see below), whose sum is σ = 24929856. Its totient is φ = 5107200.

The previous prime is 11421323. The next prime is 11421353. The reversal of 11421344 is 44312411.

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, 24764 + ... + 25220.

It is an arithmetic number, because the mean of its divisors is an integer number (519372).

Almost surely, 2^11421344 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 11421344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12464928).

11421344 is an abundant number, since it is smaller than the sum of its proper divisors (13508512).

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

11421344 is a wasteful number, since it uses less digits than its factorization.

11421344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549 (or 541 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 11421344 is about 3379.5478987581. The cubic root of 11421344 is about 225.2020834652.

Adding to 11421344 its reverse (44312411), we get a palindrome (55733755).

The spelling of 11421344 in words is "eleven million, four hundred twenty-one thousand, three hundred forty-four".