3986797584 has 120 divisors (see below), whose sum is σ = 13069975968. Its totient is φ = 1035525120.

The previous prime is 3986797571. The next prime is 3986797627. The reversal of 3986797584 is 4857976893.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51177 + ... + 102920.

Almost surely, 2^3986797584 is an apocalyptic number.

It is an amenable number.

3986797584 is an abundant number, since it is smaller than the sum of its proper divisors (9083178384).

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

3986797584 is a wasteful number, since it uses less digits than its factorization.

3986797584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154133 (or 154120 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 66.

The square root of 3986797584 is about 63141.0926734722. The cubic root of 3986797584 is about 1585.6526662247.

The spelling of 3986797584 in words is "three billion, nine hundred eighty-six million, seven hundred ninety-seven thousand, five hundred eighty-four".