3856770984 has 32 divisors (see below), whose sum is σ = 10518467040. Its totient is φ = 1168718400.

The previous prime is 3856770971. The next prime is 3856770989. The reversal of 3856770984 is 4890776583.

It is not an unprimeable number, because it can be changed into a prime (3856770989) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7304227 + ... + 7304754.

It is an arithmetic number, because the mean of its divisors is an integer number (328702095).

Almost surely, 2^3856770984 is an apocalyptic number.

It is an amenable number.

3856770984 is an abundant number, since it is smaller than the sum of its proper divisors (6661696056).

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

3856770984 is a wasteful number, since it uses less digits than its factorization.

3856770984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14609001 (or 14608997 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 57.

The square root of 3856770984 is about 62102.9064054171. The cubic root of 3856770984 is about 1568.2234741964.

The spelling of 3856770984 in words is "three billion, eight hundred fifty-six million, seven hundred seventy thousand, nine hundred eighty-four".