11044409 has 4 divisors (see below), whose sum is σ = 11052516. Its totient is φ = 11036304.

The previous prime is 11044403. The next prime is 11044417. The reversal of 11044409 is 90444011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7155625 + 3888784 = 2675^2 + 1972^2 .

It is a cyclic number.

It is not a de Polignac number, because 11044409 - 2¹² = 11040313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11044403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1454 + ... + 4919.

It is an arithmetic number, because the mean of its divisors is an integer number (2763129).

Almost surely, 2^11044409 is an apocalyptic number.

It is an amenable number.

11044409 is a deficient number, since it is larger than the sum of its proper divisors (8107).

11044409 is an equidigital number, since it uses as much as digits as its factorization.

11044409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8106.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 11044409 is about 3323.3129554708. The cubic root of 11044409 is about 222.6968942653.

The spelling of 11044409 in words is "eleven million, forty-four thousand, four hundred nine".