11409244 has 48 divisors (see below), whose sum is σ = 26369280. Its totient is φ = 4181760.

The previous prime is 11409221. The next prime is 11409287. The reversal of 11409244 is 44290411.

11409244 = 97² + 98² + ... + 327².

It is a congruent number.

It is an unprimeable number.

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, 4147 + ... + 6325.

It is an arithmetic number, because the mean of its divisors is an integer number (549360).

Almost surely, 2^11409244 is an apocalyptic number.

11409244 is a gapful number since it is divisible by the number (14) 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 11409244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13184640).

11409244 is an abundant number, since it is smaller than the sum of its proper divisors (14960036).

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

11409244 is a wasteful number, since it uses less digits than its factorization.

11409244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218 (or 2216 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 11409244 is about 3377.7572440896. The cubic root of 11409244 is about 225.1225275022.

Adding to 11409244 its reverse (44290411), we get a palindrome (55699655).

The spelling of 11409244 in words is "eleven million, four hundred nine thousand, two hundred forty-four".