3861044386 has 16 divisors (see below), whose sum is σ = 6135295320. Its totient is φ = 1816058880.

The previous prime is 3861044377. The next prime is 3861044401. The reversal of 3861044386 is 6834401683.

It can be written as a sum of positive squares in 4 ways, for example, as 3860261161 + 783225 = 62131^2 + 885^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43846 + ... + 98206.

Almost surely, 2^3861044386 is an apocalyptic number.

3861044386 is a deficient number, since it is larger than the sum of its proper divisors (2274250934).

3861044386 is a wasteful number, since it uses less digits than its factorization.

3861044386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56469.

The product of its (nonzero) digits is 331776, while the sum is 43.

The square root of 3861044386 is about 62137.3026933098. The cubic root of 3861044386 is about 1568.8024711242.

The spelling of 3861044386 in words is "three billion, eight hundred sixty-one million, forty-four thousand, three hundred eighty-six".