3868321908 has 48 divisors (see below), whose sum is σ = 9912772800. Its totient is φ = 1164345600.

The previous prime is 3868321889. The next prime is 3868321909. The reversal of 3868321908 is 8091238683.

3868321908 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3868321909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78673 + ... + 118008.

It is an arithmetic number, because the mean of its divisors is an integer number (206516100).

Almost surely, 2^3868321908 is an apocalyptic number.

It is an amenable number.

3868321908 is an abundant number, since it is smaller than the sum of its proper divisors (6044450892).

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

3868321908 is a wasteful number, since it uses less digits than its factorization.

3868321908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196848 (or 196846 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 3868321908 is about 62195.8351338737. The cubic root of 3868321908 is about 1569.7875093435.

The spelling of 3868321908 in words is "three billion, eight hundred sixty-eight million, three hundred twenty-one thousand, nine hundred eight".