11389844 has 12 divisors (see below), whose sum is σ = 19956384. Its totient is φ = 5688024.

The previous prime is 11389831. The next prime is 11389849. The reversal of 11389844 is 44898311.

It is a junction number, because it is equal to n+sod(n) for n = 11389798 and 11389807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11389849) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4427 + ... + 6509.

It is an arithmetic number, because the mean of its divisors is an integer number (1663032).

Almost surely, 2^11389844 is an apocalyptic number.

It is an amenable number.

11389844 is a deficient number, since it is larger than the sum of its proper divisors (8566540).

11389844 is a wasteful number, since it uses less digits than its factorization.

11389844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3454 (or 3452 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 11389844 is about 3374.8842943129. The cubic root of 11389844 is about 224.9948574956.

The spelling of 11389844 in words is "eleven million, three hundred eighty-nine thousand, eight hundred forty-four".