3868217286 has 12 divisors (see below), whose sum is σ = 7736739276. Its totient is φ = 1289354980.

The previous prime is 3868217237. The next prime is 3868217299. The reversal of 3868217286 is 6827128683.

It is a happy number.

3868217286 is digitally balanced in base 2 and base 4, because in such bases 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 5 ways as a sum of consecutive naturals, for example, 139651 + ... + 165041.

It is an arithmetic number, because the mean of its divisors is an integer number (644728273).

Almost surely, 2^3868217286 is an apocalyptic number.

3868217286 is an abundant number, since it is smaller than the sum of its proper divisors (3868521990).

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

3868217286 is an frugal number, since it uses more digits than its factorization.

3868217286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50787 (or 25396 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 51.

The square root of 3868217286 is about 62194.9940590077. The cubic root of 3868217286 is about 1569.7733571441.

The spelling of 3868217286 in words is "three billion, eight hundred sixty-eight million, two hundred seventeen thousand, two hundred eighty-six".