3861928539 has 96 divisors (see below), whose sum is σ = 7104779136. Its totient is φ = 1970749440.

The previous prime is 3861928537. The next prime is 3861928549. The reversal of 3861928539 is 9358291683.

3861928539 is a `hidden beast` number, since 3 + 86 + 1 + 9 + 28 + 539 = 666.

3861928539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3861928539 - 2¹ = 3861928537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3861928531) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1623519 + ... + 1625895.

It is an arithmetic number, because the mean of its divisors is an integer number (74008116).

Almost surely, 2^3861928539 is an apocalyptic number.

3861928539 is a deficient number, since it is larger than the sum of its proper divisors (3242850597).

3861928539 is a wasteful number, since it uses less digits than its factorization.

3861928539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485 (or 2482 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 3861928539 is about 62144.4167966842. The cubic root of 3861928539 is about 1568.9222103631.

The spelling of 3861928539 in words is "three billion, eight hundred sixty-one million, nine hundred twenty-eight thousand, five hundred thirty-nine".