3908549872 has 40 divisors (see below), whose sum is σ = 7846573680. Its totient is φ = 1884879360.

The previous prime is 3908549861. The next prime is 3908549891. The reversal of 3908549872 is 2789458093.

It is a super-2 number, since 2×3908549872² = 30553524203822432768, which contains 22 as substring.

It is a congruent number.

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, 10972 + ... + 89092.

It is an arithmetic number, because the mean of its divisors is an integer number (196164342).

Almost surely, 2^3908549872 is an apocalyptic number.

It is an amenable number.

3908549872 is an abundant number, since it is smaller than the sum of its proper divisors (3938023808).

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

3908549872 is a wasteful number, since it uses less digits than its factorization.

3908549872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78241 (or 78235 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 55.

The square root of 3908549872 is about 62518.3962686184. The cubic root of 3908549872 is about 1575.2103351578.

The spelling of 3908549872 in words is "three billion, nine hundred eight million, five hundred forty-nine thousand, eight hundred seventy-two".