11889689 has 8 divisors (see below), whose sum is σ = 14179200. Its totient is φ = 9747936.

The previous prime is 11889659. The next prime is 11889701. The reversal of 11889689 is 98698811.

It is a happy number.

11889689 is digitally balanced in base 2, 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 11889689 - 2⁸ = 11889433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11889659) 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, 36764 + ... + 37085.

It is an arithmetic number, because the mean of its divisors is an integer number (1772400).

Almost surely, 2^11889689 is an apocalyptic number.

It is an amenable number.

11889689 is a deficient number, since it is larger than the sum of its proper divisors (2289511).

11889689 is an equidigital number, since it uses as much as digits as its factorization.

11889689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73879.

The product of its digits is 248832, while the sum is 50.

The square root of 11889689 is about 3448.1428334685. The cubic root of 11889689 is about 228.2391624501.

The spelling of 11889689 in words is "eleven million, eight hundred eighty-nine thousand, six hundred eighty-nine".