3881932938 has 40 divisors (see below), whose sum is σ = 9367518468. Its totient is φ = 1194440256.

The previous prime is 3881932937. The next prime is 3881932969. The reversal of 3881932938 is 8392391883.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2938398849 + 943534089 = 54207^2 + 30717^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (3881932937) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 919531 + ... + 923742.

Almost surely, 2^3881932938 is an apocalyptic number.

3881932938 is an abundant number, since it is smaller than the sum of its proper divisors (5485585530).

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

3881932938 is a wasteful number, since it uses less digits than its factorization.

3881932938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843300 (or 1843291 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 3881932938 is about 62305.1598023791. The cubic root of 3881932938 is about 1571.6264991675.

The spelling of 3881932938 in words is "three billion, eight hundred eighty-one million, nine hundred thirty-two thousand, nine hundred thirty-eight".