3934381072 has 40 divisors (see below), whose sum is σ = 8068511360. Its totient is φ = 1853331840.

The previous prime is 3934381069. The next prime is 3934381079. The reversal of 3934381072 is 2701834393.

It is not an unprimeable number, because it can be changed into a prime (3934381079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19273 + ... + 90775.

It is an arithmetic number, because the mean of its divisors is an integer number (201712784).

Almost surely, 2^3934381072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3934381072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4034255680).

3934381072 is an abundant number, since it is smaller than the sum of its proper divisors (4134130288).

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

3934381072 is a wasteful number, since it uses less digits than its factorization.

3934381072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71711 (or 71705 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 3934381072 is about 62724.6448535183. The cubic root of 3934381072 is about 1578.6728523309.

The spelling of 3934381072 in words is "three billion, nine hundred thirty-four million, three hundred eighty-one thousand, seventy-two".