389849868000 has 768 divisors, whose sum is σ = 1465702318080. Its totient is φ = 100590336000.

The previous prime is 389849867989. The next prime is 389849868017. The reversal of 389849868000 is 868948983.

389849868000 is a `hidden beast` number, since 3 + 89 + 8 + 498 + 68 + 0 + 0 + 0 = 666.

389849868000 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 589787670 + ... + 589788330.

It is an arithmetic number, because the mean of its divisors is an integer number (1908466560).

Almost surely, 2^389849868000 is an apocalyptic number.

389849868000 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 389849868000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (732851159040).

389849868000 is an abundant number, since it is smaller than the sum of its proper divisors (1075852450080).

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

389849868000 is a wasteful number, since it uses less digits than its factorization.

389849868000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865 (or 841 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 63.

The spelling of 389849868000 in words is "three hundred eighty-nine billion, eight hundred forty-nine million, eight hundred sixty-eight thousand".