3875391952 has 20 divisors (see below), whose sum is σ = 7575022980. Its totient is φ = 1920547328.

The previous prime is 3875391941. The next prime is 3875391967. The reversal of 3875391952 is 2591935783.

It can be written as a sum of positive squares in 2 ways, for example, as 1468115856 + 2407276096 = 38316^2 + 49064^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3875391952.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1069927 + ... + 1073542.

It is an arithmetic number, because the mean of its divisors is an integer number (378751149).

Almost surely, 2^3875391952 is an apocalyptic number.

It is an amenable number.

3875391952 is a deficient number, since it is larger than the sum of its proper divisors (3699631028).

3875391952 is a wasteful number, since it uses less digits than its factorization.

3875391952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143590 (or 2143584 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 52.

The square root of 3875391952 is about 62252.6461445616. The cubic root of 3875391952 is about 1570.7432822782.

The spelling of 3875391952 in words is "three billion, eight hundred seventy-five million, three hundred ninety-one thousand, nine hundred fifty-two".