11989361 has 8 divisors (see below), whose sum is σ = 12667200. Its totient is φ = 11316240.

The previous prime is 11989357. The next prime is 11989379. The reversal of 11989361 is 16398911.

11989361 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11989361 - 2² = 11989357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11989321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4895 + ... + 6923.

It is an arithmetic number, because the mean of its divisors is an integer number (1583400).

Almost surely, 2^11989361 is an apocalyptic number.

It is an amenable number.

11989361 is a deficient number, since it is larger than the sum of its proper divisors (677839).

11989361 is a wasteful number, since it uses less digits than its factorization.

11989361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359.

The product of its digits is 11664, while the sum is 38.

The square root of 11989361 is about 3462.5656672473. The cubic root of 11989361 is about 228.8751695344.

The spelling of 11989361 in words is "eleven million, nine hundred eighty-nine thousand, three hundred sixty-one".