3861286852 has 12 divisors (see below), whose sum is σ = 6772304700. Its totient is φ = 1926342656.

The previous prime is 3861286831. The next prime is 3861286853. The reversal of 3861286852 is 2586821683.

3861286852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1306388736 + 2554898116 = 36144^2 + 50546^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3861286796 and 3861286805.

It is not an unprimeable number, because it can be changed into a prime (3861286853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1073173 + ... + 1076764.

It is an arithmetic number, because the mean of its divisors is an integer number (564358725).

Almost surely, 2^3861286852 is an apocalyptic number.

It is an amenable number.

3861286852 is a deficient number, since it is larger than the sum of its proper divisors (2911017848).

3861286852 is a wasteful number, since it uses less digits than its factorization.

3861286852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150390 (or 2150388 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 49.

The square root of 3861286852 is about 62139.2537129309. The cubic root of 3861286852 is about 1568.8353096742.

The spelling of 3861286852 in words is "three billion, eight hundred sixty-one million, two hundred eighty-six thousand, eight hundred fifty-two".