3189443972 has 24 divisors (see below), whose sum is σ = 6557319552. Its totient is φ = 1338228000.

The previous prime is 3189443963. The next prime is 3189444019. The reversal of 3189443972 is 2793449813.

It is a self number, because there is not a number n which added to its sum of digits gives 3189443972.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2787404 + ... + 2788547.

It is an arithmetic number, because the mean of its divisors is an integer number (273221648).

Almost surely, 2^3189443972 is an apocalyptic number.

It is an amenable number.

3189443972 is an abundant number, since it is smaller than the sum of its proper divisors (3367875580).

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

3189443972 is a wasteful number, since it uses less digits than its factorization.

3189443972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5575979 (or 5575977 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 50.

The square root of 3189443972 is about 56475.1624344720. The cubic root of 3189443972 is about 1471.9904503013.

The spelling of 3189443972 in words is "three billion, one hundred eighty-nine million, four hundred forty-three thousand, nine hundred seventy-two".