3983948784 has 30 divisors (see below), whose sum is σ = 11149523736. Its totient is φ = 1327982880.

The previous prime is 3983948723. The next prime is 3983948797. The reversal of 3983948784 is 4878493893.

3983948784 is a `hidden beast` number, since 3 + 98 + 394 + 87 + 84 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13833012 + ... + 13833299.

Almost surely, 2^3983948784 is an apocalyptic number.

It is an amenable number.

3983948784 is an abundant number, since it is smaller than the sum of its proper divisors (7165574952).

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

3983948784 is a wasteful number, since it uses less digits than its factorization.

3983948784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27666325 (or 27666316 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 63.

The square root of 3983948784 is about 63118.5296406689. The cubic root of 3983948784 is about 1585.2748957140.

The spelling of 3983948784 in words is "three billion, nine hundred eighty-three million, nine hundred forty-eight thousand, seven hundred eighty-four".