3856683172 has 12 divisors (see below), whose sum is σ = 7146207180. Its totient is φ = 1814909696.

The previous prime is 3856683169. The next prime is 3856683203. The reversal of 3856683172 is 2713866583.

It can be written as a sum of positive squares in 2 ways, for example, as 3289481316 + 567201856 = 57354^2 + 23816^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28357897 + ... + 28358032.

It is an arithmetic number, because the mean of its divisors is an integer number (595517265).

Almost surely, 2^3856683172 is an apocalyptic number.

It is an amenable number.

3856683172 is a deficient number, since it is larger than the sum of its proper divisors (3289524008).

3856683172 is a wasteful number, since it uses less digits than its factorization.

3856683172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56715950 (or 56715948 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The square root of 3856683172 is about 62102.1994135473. The cubic root of 3856683172 is about 1568.2115721946.

The spelling of 3856683172 in words is "three billion, eight hundred fifty-six million, six hundred eighty-three thousand, one hundred seventy-two".