3989719212 has 24 divisors (see below), whose sum is σ = 9312844800. Its totient is φ = 1329406416.

The previous prime is 3989719207. The next prime is 3989719231. The reversal of 3989719212 is 2129179893.

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 7 ways as a sum of consecutive naturals, for example, 28512 + ... + 93767.

It is an arithmetic number, because the mean of its divisors is an integer number (388035200).

Almost surely, 2^3989719212 is an apocalyptic number.

It is an amenable number.

3989719212 is an abundant number, since it is smaller than the sum of its proper divisors (5323125588).

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

3989719212 is a wasteful number, since it uses less digits than its factorization.

3989719212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125005 (or 125003 counting only the distinct ones).

The product of its digits is 489888, while the sum is 51.

The square root of 3989719212 is about 63164.2241462681. The cubic root of 3989719212 is about 1586.0399073575.

The spelling of 3989719212 in words is "three billion, nine hundred eighty-nine million, seven hundred nineteen thousand, two hundred twelve".