3929448448 has 56 divisors (see below), whose sum is σ = 7885858752. Its totient is φ = 1957871616.

The previous prime is 3929448437. The next prime is 3929448449. The reversal of 3929448448 is 8448449293.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3929448449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3005811 + ... + 3007117.

Almost surely, 2^3929448448 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 3929448448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3942929376).

3929448448 is an abundant number, since it is smaller than the sum of its proper divisors (3956410304).

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

3929448448 is an equidigital number, since it uses as much as digits as its factorization.

3929448448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700 (or 1676 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 55.

The square root of 3929448448 is about 62685.3128571598. The cubic root of 3929448448 is about 1578.0128369458.

The spelling of 3929448448 in words is "three billion, nine hundred twenty-nine million, four hundred forty-eight thousand, four hundred forty-eight".