3989835212 has 24 divisors (see below), whose sum is σ = 7624504272. Its totient is φ = 1811764800.

The previous prime is 3989835211. The next prime is 3989835259. The reversal of 3989835212 is 2125389893.

3989835212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3989835211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518 + ... + 89330.

It is an arithmetic number, because the mean of its divisors is an integer number (317687678).

Almost surely, 2^3989835212 is an apocalyptic number.

It is an amenable number.

3989835212 is a deficient number, since it is larger than the sum of its proper divisors (3634669060).

3989835212 is a wasteful number, since it uses less digits than its factorization.

3989835212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89849 (or 89847 counting only the distinct ones).

The product of its digits is 933120, while the sum is 50.

The square root of 3989835212 is about 63165.1423809050. The cubic root of 3989835212 is about 1586.0552784347.

The spelling of 3989835212 in words is "three billion, nine hundred eighty-nine million, eight hundred thirty-five thousand, two hundred twelve".