3861761039 has 8 divisors (see below), whose sum is σ = 4076279280. Its totient is φ = 3658503960.

The previous prime is 3861761027. The next prime is 3861761053. The reversal of 3861761039 is 9301671683.

It is not a de Polignac number, because 3861761039 - 2⁴ = 3861761023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3861769039) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 274652 + ... + 288369.

It is an arithmetic number, because the mean of its divisors is an integer number (509534910).

Almost surely, 2^3861761039 is an apocalyptic number.

3861761039 is a deficient number, since it is larger than the sum of its proper divisors (214518241).

3861761039 is an frugal number, since it uses more digits than its factorization.

3861761039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563078 (or 563040 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 3861761039 is about 62143.0691147452. The cubic root of 3861761039 is about 1568.8995275449.

The spelling of 3861761039 in words is "three billion, eight hundred sixty-one million, seven hundred sixty-one thousand, thirty-nine".