11143984 has 20 divisors (see below), whose sum is σ = 21729016. Its totient is φ = 5536512.

The previous prime is 11143981. The next prime is 11143997. The reversal of 11143984 is 48934111.

It is not an unprimeable number, because it can be changed into a prime (11143981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472 + ... + 4744.

Almost surely, 2^11143984 is an apocalyptic number.

It is an amenable number.

11143984 is a deficient number, since it is larger than the sum of its proper divisors (10585032).

11143984 is a wasteful number, since it uses less digits than its factorization.

11143984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4444 (or 4438 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 11143984 is about 3338.2606249363. The cubic root of 11143984 is about 223.3641619778.

The spelling of 11143984 in words is "eleven million, one hundred forty-three thousand, nine hundred eighty-four".