3923285872 has 40 divisors (see below), whose sum is σ = 8365826160. Its totient is φ = 1767521280.

The previous prime is 3923285827. The next prime is 3923285887. The reversal of 3923285872 is 2785823293.

It is a happy number.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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, 78747 + ... + 118522.

It is an arithmetic number, because the mean of its divisors is an integer number (209145654).

Almost surely, 2^3923285872 is an apocalyptic number.

It is an amenable number.

3923285872 is an abundant number, since it is smaller than the sum of its proper divisors (4442540288).

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

3923285872 is a wasteful number, since it uses less digits than its factorization.

3923285872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197401 (or 197395 counting only the distinct ones).

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

The square root of 3923285872 is about 62636.1387060218. The cubic root of 3923285872 is about 1577.1874698638.

The spelling of 3923285872 in words is "three billion, nine hundred twenty-three million, two hundred eighty-five thousand, eight hundred seventy-two".