3861382056 has 64 divisors (see below), whose sum is σ = 11197217280. Its totient is φ = 1086782400.

The previous prime is 3861382039. The next prime is 3861382061. The reversal of 3861382056 is 6502831683.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 3861381999 and 3861382017.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160270 + ... + 182781.

It is an arithmetic number, because the mean of its divisors is an integer number (174956520).

Almost surely, 2^3861382056 is an apocalyptic number.

It is an amenable number.

3861382056 is an abundant number, since it is smaller than the sum of its proper divisors (7335835224).

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

3861382056 is a wasteful number, since it uses less digits than its factorization.

3861382056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343134 (or 343130 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 3861382056 is about 62140.0197618250. The cubic root of 3861382056 is about 1568.8482033178.

The spelling of 3861382056 in words is "three billion, eight hundred sixty-one million, three hundred eighty-two thousand, fifty-six".