3922881672 has 16 divisors (see below), whose sum is σ = 9807204240. Its totient is φ = 1307627216.

The previous prime is 3922881647. The next prime is 3922881689. The reversal of 3922881672 is 2761882293.

It is a super-2 number, since 2×3922881672² = 30778001225027031168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81726678 + ... + 81726725.

It is an arithmetic number, because the mean of its divisors is an integer number (612950265).

Almost surely, 2^3922881672 is an apocalyptic number.

It is an amenable number.

3922881672 is an abundant number, since it is smaller than the sum of its proper divisors (5884322568).

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

3922881672 is a wasteful number, since it uses less digits than its factorization.

3922881672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163453412 (or 163453408 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 3922881672 is about 62632.9120510934. The cubic root of 3922881672 is about 1577.1333042918.

The spelling of 3922881672 in words is "three billion, nine hundred twenty-two million, eight hundred eighty-one thousand, six hundred seventy-two".