3879722946 has 48 divisors (see below), whose sum is σ = 8552440512. Its totient is φ = 1172439840.

The previous prime is 3879722933. The next prime is 3879722989. The reversal of 3879722946 is 6492279783.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 263635 + ... + 277961.

It is an arithmetic number, because the mean of its divisors is an integer number (178175844).

Almost surely, 2^3879722946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3879722946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4276220256).

3879722946 is an abundant number, since it is smaller than the sum of its proper divisors (4672717566).

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

3879722946 is a wasteful number, since it uses less digits than its factorization.

3879722946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14727 (or 14716 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 57.

The square root of 3879722946 is about 62287.4220529314. The cubic root of 3879722946 is about 1571.3281992081.

The spelling of 3879722946 in words is "three billion, eight hundred seventy-nine million, seven hundred twenty-two thousand, nine hundred forty-six".