3861331608 has 16 divisors (see below), whose sum is σ = 9653329080. Its totient is φ = 1287110528.

The previous prime is 3861331583. The next prime is 3861331631. The reversal of 3861331608 is 8061331683.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 80444385 + ... + 80444432.

Almost surely, 2^3861331608 is an apocalyptic number.

It is an amenable number.

3861331608 is an abundant number, since it is smaller than the sum of its proper divisors (5791997472).

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

3861331608 is a wasteful number, since it uses less digits than its factorization.

3861331608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160888826 (or 160888822 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 3861331608 is about 62139.6138385169. The cubic root of 3861331608 is about 1568.8413710837.

The spelling of 3861331608 in words is "three billion, eight hundred sixty-one million, three hundred thirty-one thousand, six hundred eight".