11811384 has 48 divisors (see below), whose sum is σ = 34452600. Its totient is φ = 3633984.

The previous prime is 11811383. The next prime is 11811389. The reversal of 11811384 is 48311811.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11811383) 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 11 ways as a sum of consecutive naturals, for example, 5374 + ... + 7245.

Almost surely, 2^11811384 is an apocalyptic number.

It is an amenable number.

11811384 is an abundant number, since it is smaller than the sum of its proper divisors (22641216).

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

11811384 is a wasteful number, since it uses less digits than its factorization.

11811384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12644 (or 12637 counting only the distinct ones).

The product of its digits is 768, while the sum is 27.

The square root of 11811384 is about 3436.7694132717. The cubic root of 11811384 is about 227.7370005308.

The spelling of 11811384 in words is "eleven million, eight hundred eleven thousand, three hundred eighty-four".