3859021868 has 48 divisors (see below), whose sum is σ = 7355287296. Its totient is φ = 1760962560.

The previous prime is 3859021867. The next prime is 3859021877. The reversal of 3859021868 is 8681209583.

It is not an unprimeable number, because it can be changed into a prime (3859021861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4471205 + ... + 4472067.

It is an arithmetic number, because the mean of its divisors is an integer number (153235152).

Almost surely, 2^3859021868 is an apocalyptic number.

It is an amenable number.

3859021868 is a deficient number, since it is larger than the sum of its proper divisors (3496265428).

3859021868 is a wasteful number, since it uses less digits than its factorization.

3859021868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754 (or 1752 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 50.

The square root of 3859021868 is about 62121.0259734979. The cubic root of 3859021868 is about 1568.5284964253.

The spelling of 3859021868 in words is "three billion, eight hundred fifty-nine million, twenty-one thousand, eight hundred sixty-eight".