11349389 has 2 divisors, whose sum is σ = 11349390. Its totient is φ = 11349388.

The previous prime is 11349361. The next prime is 11349391. The reversal of 11349389 is 98394311.

It is a happy number.

11349389 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11055625 + 293764 = 3325^2 + 542^2 .

It is a cyclic number.

It is not a de Polignac number, because 11349389 - 2⁸ = 11349133 is a prime.

It is a Sophie Germain prime.

Together with 11349391, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11349589) 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 as a sum of consecutive naturals, namely, 5674694 + 5674695.

It is an arithmetic number, because the mean of its divisors is an integer number (5674695).

Almost surely, 2^11349389 is an apocalyptic number.

It is an amenable number.

11349389 is a deficient number, since it is larger than the sum of its proper divisors (1).

11349389 is an equidigital number, since it uses as much as digits as its factorization.

11349389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 38.

The square root of 11349389 is about 3368.8854239941. The cubic root of 11349389 is about 224.7281589415.

The spelling of 11349389 in words is "eleven million, three hundred forty-nine thousand, three hundred eighty-nine".