3929916408 has 48 divisors (see below), whose sum is σ = 10799158440. Its totient is φ = 1190882880.

The previous prime is 3929916391. The next prime is 3929916449. The reversal of 3929916408 is 8046199293.

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 11 ways as a sum of consecutive naturals, for example, 673735 + ... + 679542.

Almost surely, 2^3929916408 is an apocalyptic number.

It is an amenable number.

3929916408 is an abundant number, since it is smaller than the sum of its proper divisors (6869242032).

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

3929916408 is a wasteful number, since it uses less digits than its factorization.

3929916408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353308 (or 1353293 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 3929916408 is about 62689.0453588185. The cubic root of 3929916408 is about 1578.0754765745.

The spelling of 3929916408 in words is "three billion, nine hundred twenty-nine million, nine hundred sixteen thousand, four hundred eight".