3998849328 has 120 divisors (see below), whose sum is σ = 11520764112. Its totient is φ = 1294078464.

The previous prime is 3998849317. The next prime is 3998849341. The reversal of 3998849328 is 8239488993.

3998849328 is a `hidden beast` number, since 39 + 98 + 8 + 493 + 28 = 666.

3998849328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1069350 + ... + 1073082.

Almost surely, 2^3998849328 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 3998849328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5760382056).

3998849328 is an abundant number, since it is smaller than the sum of its proper divisors (7521914784).

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

3998849328 is a wasteful number, since it uses less digits than its factorization.

3998849328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3963 (or 3954 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 63.

The square root of 3998849328 is about 63236.4556881551. The cubic root of 3998849328 is about 1587.2488225415.

The spelling of 3998849328 in words is "three billion, nine hundred ninety-eight million, eight hundred forty-nine thousand, three hundred twenty-eight".