3189999680 has 224 divisors, whose sum is σ = 9678009600. Its totient is φ = 974979072.

The previous prime is 3189999649. The next prime is 3189999751. The reversal of 3189999680 is 869999813.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 721316 + ... + 725724.

It is an arithmetic number, because the mean of its divisors is an integer number (43205400).

Almost surely, 2^3189999680 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 3189999680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4839004800).

3189999680 is an abundant number, since it is smaller than the sum of its proper divisors (6488009920).

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

3189999680 is a wasteful number, since it uses less digits than its factorization.

3189999680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4469 (or 4459 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 62.

The square root of 3189999680 is about 56480.0821529148. The cubic root of 3189999680 is about 1472.0759353549.

The spelling of 3189999680 in words is "three billion, one hundred eighty-nine million, nine hundred ninety-nine thousand, six hundred eighty".