3856923738 has 96 divisors (see below), whose sum is σ = 8724298752. Its totient is φ = 1230652800.

The previous prime is 3856923737. The next prime is 3856923757. The reversal of 3856923738 is 8373296583.

3856923738 is a `hidden beast` number, since 3 + 8 + 569 + 2 + 3 + 73 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (3856923737) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11114881 + ... + 11115227.

It is an arithmetic number, because the mean of its divisors is an integer number (90878112).

Almost surely, 2^3856923738 is an apocalyptic number.

3856923738 is an abundant number, since it is smaller than the sum of its proper divisors (4867375014).

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

3856923738 is a wasteful number, since it uses less digits than its factorization.

3856923738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 657 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The square root of 3856923738 is about 62104.1362390622. The cubic root of 3856923738 is about 1568.2441779791.

The spelling of 3856923738 in words is "three billion, eight hundred fifty-six million, nine hundred twenty-three thousand, seven hundred thirty-eight".