3984982689984 has 28 divisors (see below), whose sum is σ = 10543600034424. Its totient is φ = 1328327563264.

The previous prime is 3984982689983. The next prime is 3984982689997. The reversal of 3984982689984 is 4899862894893.

It is a self number, because there is not a number n which added to its sum of digits gives 3984982689984.

It is not an unprimeable number, because it can be changed into a prime (3984982689983) 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, 10377558897 + ... + 10377559280.

Almost surely, 2^{3984982689984} is an apocalyptic number.

It is an amenable number.

3984982689984 is an abundant number, since it is smaller than the sum of its proper divisors (6558617344440).

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

3984982689984 is a wasteful number, since it uses less digits than its factorization.

3984982689984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20755118192 (or 20755118182 counting only the distinct ones).

The product of its digits is 15479341056, while the sum is 87.

The spelling of 3984982689984 in words is "three trillion, nine hundred eighty-four billion, nine hundred eighty-two million, six hundred eighty-nine thousand, nine hundred eighty-four".