3998447376 has 160 divisors (see below), whose sum is σ = 12959075328. Its totient is φ = 1032030720.

The previous prime is 3998447357. The next prime is 3998447393. The reversal of 3998447376 is 6737448993.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 599130 + ... + 605766.

Almost surely, 2^3998447376 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 3998447376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6479537664).

3998447376 is an abundant number, since it is smaller than the sum of its proper divisors (8960627952).

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

3998447376 is a wasteful number, since it uses less digits than its factorization.

3998447376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6829 (or 6823 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 60.

The square root of 3998447376 is about 63233.2774415497. The cubic root of 3998447376 is about 1587.1956389742.

The spelling of 3998447376 in words is "three billion, nine hundred ninety-eight million, four hundred forty-seven thousand, three hundred seventy-six".