3996864572 has 6 divisors (see below), whose sum is σ = 6994513008. Its totient is φ = 1998432284.

The previous prime is 3996864559. The next prime is 3996864581. The reversal of 3996864572 is 2754686993.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499608068 + ... + 499608075.

It is an arithmetic number, because the mean of its divisors is an integer number (1165752168).

Almost surely, 2^3996864572 is an apocalyptic number.

It is an amenable number.

3996864572 is a deficient number, since it is larger than the sum of its proper divisors (2997648436).

3996864572 is a wasteful number, since it uses less digits than its factorization.

3996864572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999216147 (or 999216145 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 59.

The square root of 3996864572 is about 63220.7606091543. The cubic root of 3996864572 is about 1586.9861784067.

The spelling of 3996864572 in words is "three billion, nine hundred ninety-six million, eight hundred sixty-four thousand, five hundred seventy-two".