3989658204 has 108 divisors (see below), whose sum is σ = 11754530424. Its totient is φ = 1137665088.

The previous prime is 3989658149. The next prime is 3989658227. The reversal of 3989658204 is 4028569893.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1033542 + ... + 1037394.

Almost surely, 2^3989658204 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 3989658204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5877265212).

3989658204 is an abundant number, since it is smaller than the sum of its proper divisors (7764872220).

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

3989658204 is a wasteful number, since it uses less digits than its factorization.

With its successor (3989658205) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (4452).

With its successor (3989658205) it forms an eRAP, since the sums of their prime factors are consecutive (4464 and 4465).

3989658204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4464 (or 4452 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The square root of 3989658204 is about 63163.7412128192. The cubic root of 3989658204 is about 1586.0318231114.

The spelling of 3989658204 in words is "three billion, nine hundred eighty-nine million, six hundred fifty-eight thousand, two hundred four".