3939794208 has 192 divisors, whose sum is σ = 13178430720. Its totient is φ = 1121734656.

The previous prime is 3939794161. The next prime is 3939794347. The reversal of 3939794208 is 8024979393.

3939794208 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2037210 + ... + 2039142.

It is an arithmetic number, because the mean of its divisors is an integer number (68637660).

Almost surely, 2^3939794208 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 3939794208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6589215360).

3939794208 is an abundant number, since it is smaller than the sum of its proper divisors (9238636512).

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

3939794208 is a wasteful number, since it uses less digits than its factorization.

3939794208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296 (or 2282 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The square root of 3939794208 is about 62767.7800149089. The cubic root of 3939794208 is about 1579.3965286035.

The spelling of 3939794208 in words is "three billion, nine hundred thirty-nine million, seven hundred ninety-four thousand, two hundred eight".