3864702992 has 20 divisors (see below), whose sum is σ = 7518939516. Its totient is φ = 1924331520.

The previous prime is 3864702983. The next prime is 3864703033. The reversal of 3864702992 is 2992074683.

It can be written as a sum of positive squares in 2 ways, for example, as 3576518416 + 288184576 = 59804^2 + 16976^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3864702992.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497273 + ... + 504984.

Almost surely, 2^3864702992 is an apocalyptic number.

It is an amenable number.

3864702992 is a deficient number, since it is larger than the sum of its proper divisors (3654236524).

3864702992 is a wasteful number, since it uses less digits than its factorization.

3864702992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002506 (or 1002500 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 3864702992 is about 62166.7354137243. The cubic root of 3864702992 is about 1569.2978308952.

The spelling of 3864702992 in words is "three billion, eight hundred sixty-four million, seven hundred two thousand, nine hundred ninety-two".