3867018928 has 20 divisors (see below), whose sum is σ = 7886683960. Its totient is φ = 1831745664.

The previous prime is 3867018893. The next prime is 3867018929. The reversal of 3867018928 is 8298107683.

3867018928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3867018929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6359925 + ... + 6360532.

It is an arithmetic number, because the mean of its divisors is an integer number (394334198).

Almost surely, 2^3867018928 is an apocalyptic number.

3867018928 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3867018928 is an abundant number, since it is smaller than the sum of its proper divisors (4019665032).

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

3867018928 is a wasteful number, since it uses less digits than its factorization.

3867018928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12720484 (or 12720478 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 52.

The square root of 3867018928 is about 62185.3594345164. The cubic root of 3867018928 is about 1569.6112372653.

The spelling of 3867018928 in words is "three billion, eight hundred sixty-seven million, eighteen thousand, nine hundred twenty-eight".