3989473600 has 168 divisors, whose sum is σ = 11327221440. Its totient is φ = 1354629120.

The previous prime is 3989473591. The next prime is 3989473603. The reversal of 3989473600 is 63749893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989473603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1196736 + ... + 1200064.

Almost surely, 2^3989473600 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 3989473600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5663610720).

3989473600 is an abundant number, since it is smaller than the sum of its proper divisors (7337747840).

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

3989473600 is a wasteful number, since it uses less digits than its factorization.

3989473600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3465 (or 3450 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 3989473600 is about 63162.2798828541. The cubic root of 3989473600 is about 1586.0073605034.

The spelling of 3989473600 in words is "three billion, nine hundred eighty-nine million, four hundred seventy-three thousand, six hundred".