3985884000 has 288 divisors, whose sum is σ = 16167767616. Its totient is φ = 911001600.

The previous prime is 3985883983. The next prime is 3985884037. The reversal of 3985884000 is 4885893.

3985884000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×3985884000² = 31774542522912000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 244092 + ... + 259908.

It is an arithmetic number, because the mean of its divisors is an integer number (56138082).

Almost surely, 2^3985884000 is an apocalyptic number.

3985884000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3985884000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8083883808).

3985884000 is an abundant number, since it is smaller than the sum of its proper divisors (12181883616).

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

3985884000 is a wasteful number, since it uses less digits than its factorization.

3985884000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15855 (or 15834 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 3985884000 is about 63133.8577943721. The cubic root of 3985884000 is about 1585.5315382985.

The spelling of 3985884000 in words is "three billion, nine hundred eighty-five million, eight hundred eighty-four thousand".