3908549871 has 12 divisors (see below), whose sum is σ = 5798269672. Its totient is φ = 2535275376.

The previous prime is 3908549861. The next prime is 3908549891. The reversal of 3908549871 is 1789458093.

3908549871 is a `hidden beast` number, since 3 + 9 + 0 + 85 + 498 + 71 = 666.

It is not a de Polignac number, because 3908549871 - 2⁵ = 3908549839 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 (3908549851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5868361 + ... + 5869026.

Almost surely, 2^3908549871 is an apocalyptic number.

3908549871 is a deficient number, since it is larger than the sum of its proper divisors (1889719801).

3908549871 is a wasteful number, since it uses less digits than its factorization.

3908549871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11737430 (or 11737427 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The square root of 3908549871 is about 62518.3962606208. The cubic root of 3908549871 is about 1575.2103350235.

The spelling of 3908549871 in words is "three billion, nine hundred eight million, five hundred forty-nine thousand, eight hundred seventy-one".