1143660684 has 24 divisors (see below), whose sum is σ = 2677076080. Its totient is φ = 380001024.

The previous prime is 1143660677. The next prime is 1143660701. The reversal of 1143660684 is 4860663411.

It is an unprimeable number.

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, 148489 + ... + 156000.

Almost surely, 2^1143660684 is an apocalyptic number.

It is an amenable number.

1143660684 is an abundant number, since it is smaller than the sum of its proper divisors (1533415396).

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

1143660684 is a wasteful number, since it uses less digits than its factorization.

1143660684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304809 (or 304807 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 1143660684 is about 33818.0526346506. The cubic root of 1143660684 is about 1045.7608933020.

The spelling of 1143660684 in words is "one billion, one hundred forty-three million, six hundred sixty thousand, six hundred eighty-four".