11689843 has 8 divisors (see below), whose sum is σ = 12810096. Its totient is φ = 10579200.

The previous prime is 11689837. The next prime is 11689849. The reversal of 11689843 is 34898611.

It is an interprime number because it is at equal distance from previous prime (11689837) and next prime (11689849).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11689843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11689796 and 11689805.

It is not an unprimeable number, because it can be changed into a prime (11689849) 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, 283 + ... + 4843.

It is an arithmetic number, because the mean of its divisors is an integer number (1601262).

Almost surely, 2^11689843 is an apocalyptic number.

11689843 is a deficient number, since it is larger than the sum of its proper divisors (1120253).

11689843 is a wasteful number, since it uses less digits than its factorization.

11689843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4805.

The product of its digits is 41472, while the sum is 40.

The square root of 11689843 is about 3419.0412398800. The cubic root of 11689843 is about 226.9531558652.

It can be divided in two parts, 1168 and 9843, that added together give a palindrome (11011).

The spelling of 11689843 in words is "eleven million, six hundred eighty-nine thousand, eight hundred forty-three".