11889933 has 16 divisors (see below), whose sum is σ = 17352192. Its totient is φ = 7182000.

The previous prime is 11889923. The next prime is 11889949. The reversal of 11889933 is 33998811.

It is a happy number.

11889933 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11889933 - 2⁵ = 11889901 is a prime.

It is a Curzon number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11889923) 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 15 ways as a sum of consecutive naturals, for example, 18528 + ... + 19158.

It is an arithmetic number, because the mean of its divisors is an integer number (1084512).

Almost surely, 2^11889933 is an apocalyptic number.

It is an amenable number.

11889933 is a deficient number, since it is larger than the sum of its proper divisors (5462259).

11889933 is a wasteful number, since it uses less digits than its factorization.

11889933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216.

The product of its digits is 46656, while the sum is 42.

The square root of 11889933 is about 3448.1782146519. The cubic root of 11889933 is about 228.2407237462.

The spelling of 11889933 in words is "eleven million, eight hundred eighty-nine thousand, nine hundred thirty-three".