3881731294 has 12 divisors (see below), whose sum is σ = 6773225184. Its totient is φ = 1663599084.

The previous prime is 3881731291. The next prime is 3881731361. The reversal of 3881731294 is 4921371883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3881731291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19804654 + ... + 19804849.

It is an arithmetic number, because the mean of its divisors is an integer number (564435432).

Almost surely, 2^3881731294 is an apocalyptic number.

3881731294 is a deficient number, since it is larger than the sum of its proper divisors (2891493890).

3881731294 is a wasteful number, since it uses less digits than its factorization.

3881731294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39609519 (or 39609512 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 3881731294 is about 62303.5415847286. The cubic root of 3881731294 is about 1571.5992863893.

The spelling of 3881731294 in words is "three billion, eight hundred eighty-one million, seven hundred thirty-one thousand, two hundred ninety-four".