3189842956 has 12 divisors (see below), whose sum is σ = 5583345768. Its totient is φ = 1594601312.

The previous prime is 3189842941. The next prime is 3189842977. The reversal of 3189842956 is 6592489813.

It is a junction number, because it is equal to n+sod(n) for n = 3189842897 and 3189842906.

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, 56881 + ... + 98056.

It is an arithmetic number, because the mean of its divisors is an integer number (465278814).

Almost surely, 2^3189842956 is an apocalyptic number.

It is an amenable number.

3189842956 is a deficient number, since it is larger than the sum of its proper divisors (2393502812).

3189842956 is a wasteful number, since it uses less digits than its factorization.

3189842956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160088 (or 160086 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 55.

The square root of 3189842956 is about 56478.6947087129. The cubic root of 3189842956 is about 1472.0518273684.

The spelling of 3189842956 in words is "three billion, one hundred eighty-nine million, eight hundred forty-two thousand, nine hundred fifty-six".