1143984424 has 32 divisors (see below), whose sum is σ = 2344269600. Its totient is φ = 519037120.

The previous prime is 1143984421. The next prime is 1143984437. The reversal of 1143984424 is 4244893411.

It is a super-2 number, since 2×1143984424² = 2617400724709223552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1143984421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37347 + ... + 60685.

It is an arithmetic number, because the mean of its divisors is an integer number (73258425).

Almost surely, 2^1143984424 is an apocalyptic number.

It is an amenable number.

1143984424 is an abundant number, since it is smaller than the sum of its proper divisors (1200285176).

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

1143984424 is a wasteful number, since it uses less digits than its factorization.

1143984424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23913 (or 23909 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 1143984424 is about 33822.8387927448. The cubic root of 1143984424 is about 1045.8595597147.

The spelling of 1143984424 in words is "one billion, one hundred forty-three million, nine hundred eighty-four thousand, four hundred twenty-four".