11089044 has 36 divisors (see below), whose sum is σ = 28353780. Its totient is φ = 3653760.

The previous prime is 11089037. The next prime is 11089061. The reversal of 11089044 is 44098011.

It can be written as a sum of positive squares in 2 ways, for example, as 2160900 + 8928144 = 1470^2 + 2988^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 11088999 and 11089017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1474 + ... + 4934.

It is an arithmetic number, because the mean of its divisors is an integer number (787605).

Almost surely, 2^11089044 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 11089044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14176890).

11089044 is an abundant number, since it is smaller than the sum of its proper divisors (17264736).

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

11089044 is a wasteful number, since it uses less digits than its factorization.

11089044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3560 (or 3555 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 11089044 is about 3330.0216215514. The cubic root of 11089044 is about 222.9964942775.

The spelling of 11089044 in words is "eleven million, eighty-nine thousand, forty-four".