3995991596 has 6 divisors (see below), whose sum is σ = 6992985300. Its totient is φ = 1997995796.

The previous prime is 3995991583. The next prime is 3995991611. The reversal of 3995991596 is 6951995993.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499498946 + ... + 499498953.

It is an arithmetic number, because the mean of its divisors is an integer number (1165497550).

Almost surely, 2^3995991596 is an apocalyptic number.

It is an amenable number.

3995991596 is a deficient number, since it is larger than the sum of its proper divisors (2996993704).

3995991596 is a wasteful number, since it uses less digits than its factorization.

3995991596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998997903 (or 998997901 counting only the distinct ones).

The product of its digits is 26572050, while the sum is 65.

The square root of 3995991596 is about 63213.8560443832. The cubic root of 3995991596 is about 1586.8706293559.

It can be divided in two parts, 399 and 5991596, that added together give a palindrome (5991995).

The spelling of 3995991596 in words is "three billion, nine hundred ninety-five million, nine hundred ninety-one thousand, five hundred ninety-six".