3861028000 has 192 divisors, whose sum is σ = 10104756480. Its totient is φ = 1445760000.

The previous prime is 3861027997. The next prime is 3861028037. The reversal of 3861028000 is 8201683.

It is a self number, because there is not a number n which added to its sum of digits gives 3861028000.

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 31 ways as a sum of consecutive naturals, for example, 7675749 + ... + 7676251.

It is an arithmetic number, because the mean of its divisors is an integer number (52628940).

Almost surely, 2^3861028000 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 3861028000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5052378240).

3861028000 is an abundant number, since it is smaller than the sum of its proper divisors (6243728480).

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

3861028000 is a wasteful number, since it uses less digits than its factorization.

3861028000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 3861028000 is about 62137.1708400053. The cubic root of 3861028000 is about 1568.8002518254.

Adding to 3861028000 its reverse (8201683), we get a palindrome (3869229683).

The spelling of 3861028000 in words is "three billion, eight hundred sixty-one million, twenty-eight thousand".