3879384042 has 24 divisors (see below), whose sum is σ = 7925985216. Its totient is φ = 1265273424.

The previous prime is 3879384013. The next prime is 3879384049. The reversal of 3879384042 is 2404839783.

It is a junction number, because it is equal to n+sod(n) for n = 3879383982 and 3879384000.

It is not an unprimeable number, because it can be changed into a prime (3879384049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1044084 + ... + 1047792.

It is an arithmetic number, because the mean of its divisors is an integer number (330249384).

Almost surely, 2^3879384042 is an apocalyptic number.

3879384042 is an abundant number, since it is smaller than the sum of its proper divisors (4046601174).

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

3879384042 is an frugal number, since it uses more digits than its factorization.

3879384042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7470 (or 3761 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 3879384042 is about 62284.7015084764. The cubic root of 3879384042 is about 1571.2824446593.

The spelling of 3879384042 in words is "three billion, eight hundred seventy-nine million, three hundred eighty-four thousand, forty-two".