3861694674 has 12 divisors (see below), whose sum is σ = 8367005166. Its totient is φ = 1287231552.

The previous prime is 3861694673. The next prime is 3861694693. The reversal of 3861694674 is 4764961683.

It can be written as a sum of positive squares in only one way, i.e., 2641240449 + 1220454225 = 51393^2 + 34935^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3861694674.

It is not an unprimeable number, because it can be changed into a prime (3861694673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 107269279 + ... + 107269314.

Almost surely, 2^3861694674 is an apocalyptic number.

3861694674 is an abundant number, since it is smaller than the sum of its proper divisors (4505310492).

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

3861694674 is a wasteful number, since it uses less digits than its factorization.

3861694674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214538601 (or 214538598 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 3861694674 is about 62142.5351430081. The cubic root of 3861694674 is about 1568.8905402277.

The spelling of 3861694674 in words is "three billion, eight hundred sixty-one million, six hundred ninety-four thousand, six hundred seventy-four".