3191938794 has 24 divisors (see below), whose sum is σ = 7544583072. Its totient is φ = 967254120.

The previous prime is 3191938769. The next prime is 3191938823. The reversal of 3191938794 is 4978391913.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3191938794.

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 11 ways as a sum of consecutive naturals, for example, 8060254 + ... + 8060649.

It is an arithmetic number, because the mean of its divisors is an integer number (314357628).

Almost surely, 2^3191938794 is an apocalyptic number.

3191938794 is an abundant number, since it is smaller than the sum of its proper divisors (4352644278).

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

3191938794 is a wasteful number, since it uses less digits than its factorization.

3191938794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16120922 (or 16120919 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The square root of 3191938794 is about 56497.2458974772. The cubic root of 3191938794 is about 1472.3741532380.

The spelling of 3191938794 in words is "three billion, one hundred ninety-one million, nine hundred thirty-eight thousand, seven hundred ninety-four".