383705868 has 192 divisors, whose sum is σ = 1151539200. Its totient is φ = 98784000.

The previous prime is 383705867. The next prime is 383705887. The reversal of 383705868 is 868507383.

It is a happy number.

383705868 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383705863) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3799018 + ... + 3799118.

It is an arithmetic number, because the mean of its divisors is an integer number (5997600).

Almost surely, 2^383705868 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 383705868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575769600).

383705868 is an abundant number, since it is smaller than the sum of its proper divisors (767833332).

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

383705868 is a wasteful number, since it uses less digits than its factorization.

383705868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 383705868 is about 19588.4115741936. The cubic root of 383705868 is about 726.6626087177.

The spelling of 383705868 in words is "three hundred eighty-three million, seven hundred five thousand, eight hundred sixty-eight".