11684238 has 16 divisors (see below), whose sum is σ = 23402496. Its totient is φ = 3889080.

The previous prime is 11684237. The next prime is 11684243. The reversal of 11684238 is 83248611.

It is a junction number, because it is equal to n+sod(n) for n = 11684199 and 11684208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11684237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6195 + ... + 7857.

It is an arithmetic number, because the mean of its divisors is an integer number (1462656).

Almost surely, 2^11684238 is an apocalyptic number.

11684238 is an abundant number, since it is smaller than the sum of its proper divisors (11718258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11684238 is a wasteful number, since it uses less digits than its factorization.

11684238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2839.

The product of its digits is 9216, while the sum is 33.

The square root of 11684238 is about 3418.2214673716. The cubic root of 11684238 is about 226.9168771971.

The spelling of 11684238 in words is "eleven million, six hundred eighty-four thousand, two hundred thirty-eight".