1143986684 has 12 divisors (see below), whose sum is σ = 2002225008. Its totient is φ = 571922400.

The previous prime is 1143986671. The next prime is 1143986699. The reversal of 1143986684 is 4866893411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38024 + ... + 61104.

It is an arithmetic number, because the mean of its divisors is an integer number (166852084).

Almost surely, 2^1143986684 is an apocalyptic number.

It is an amenable number.

1143986684 is a deficient number, since it is larger than the sum of its proper divisors (858238324).

1143986684 is a wasteful number, since it uses less digits than its factorization.

1143986684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35476 (or 35474 counting only the distinct ones).

The product of its digits is 995328, while the sum is 50.

The square root of 1143986684 is about 33822.8722021061. The cubic root of 1143986684 is about 1045.8602484307.

The spelling of 1143986684 in words is "one billion, one hundred forty-three million, nine hundred eighty-six thousand, six hundred eighty-four".