11689844 has 6 divisors (see below), whose sum is σ = 20457234. Its totient is φ = 5844920.

The previous prime is 11689837. The next prime is 11689849. The reversal of 11689844 is 44898611.

It can be written as a sum of positive squares in only one way, i.e., 11142244 + 547600 = 3338^2 + 740^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11689849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1461227 + ... + 1461234.

It is an arithmetic number, because the mean of its divisors is an integer number (3409539).

Almost surely, 2^11689844 is an apocalyptic number.

It is an amenable number.

11689844 is a deficient number, since it is larger than the sum of its proper divisors (8767390).

11689844 is a wasteful number, since it uses less digits than its factorization.

11689844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2922465 (or 2922463 counting only the distinct ones).

The product of its digits is 55296, while the sum is 41.

The square root of 11689844 is about 3419.0413861198. The cubic root of 11689844 is about 226.9531623367.

The spelling of 11689844 in words is "eleven million, six hundred eighty-nine thousand, eight hundred forty-four".