3998342216 has 64 divisors (see below), whose sum is σ = 8620776000. Its totient is φ = 1719394560.

The previous prime is 3998342189. The next prime is 3998342237. The reversal of 3998342216 is 6122438993.

3998342216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1786250 + ... + 1788486.

It is an arithmetic number, because the mean of its divisors is an integer number (134699625).

Almost surely, 2^3998342216 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 3998342216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4310388000).

3998342216 is an abundant number, since it is smaller than the sum of its proper divisors (4622433784).

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

3998342216 is a wasteful number, since it uses less digits than its factorization.

3998342216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342 (or 3338 counting only the distinct ones).

The product of its digits is 559872, while the sum is 47.

The square root of 3998342216 is about 63232.4459118893. The cubic root of 3998342216 is about 1587.1817243268.

The spelling of 3998342216 in words is "three billion, nine hundred ninety-eight million, three hundred forty-two thousand, two hundred sixteen".