11343989 has 4 divisors (see below), whose sum is σ = 11536320. Its totient is φ = 11151660.

The previous prime is 11343953. The next prime is 11344001. The reversal of 11343989 is 98934311.

It is a happy number.

11343989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11343989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11343919) 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, 96077 + ... + 96194.

It is an arithmetic number, because the mean of its divisors is an integer number (2884080).

Almost surely, 2^11343989 is an apocalyptic number.

It is an amenable number.

11343989 is a deficient number, since it is larger than the sum of its proper divisors (192331).

11343989 is an equidigital number, since it uses as much as digits as its factorization.

11343989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192330.

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

The square root of 11343989 is about 3368.0838766278. The cubic root of 11343989 is about 224.6925116605.

The spelling of 11343989 in words is "eleven million, three hundred forty-three thousand, nine hundred eighty-nine".