3985712000 has 64 divisors (see below), whose sum is σ = 9909516240. Its totient is φ = 1594278400.

The previous prime is 3985711997. The next prime is 3985712111. The reversal of 3985712000 is 2175893.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108554 + ... + 140553.

Almost surely, 2^3985712000 is an apocalyptic number.

It is an amenable number.

3985712000 is an abundant number, since it is smaller than the sum of its proper divisors (5923804240).

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

3985712000 is an equidigital number, since it uses as much as digits as its factorization.

3985712000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249136 (or 249114 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 3985712000 is about 63132.4955945827. The cubic root of 3985712000 is about 1585.5087315344.

Adding to 3985712000 its reverse (2175893), we get a palindrome (3987887893).

The spelling of 3985712000 in words is "three billion, nine hundred eighty-five million, seven hundred twelve thousand".