3968218206 has 24 divisors (see below), whose sum is σ = 8619262704. Its totient is φ = 1319438400.

The previous prime is 3968218181. The next prime is 3968218207. The reversal of 3968218206 is 6028128693.

3968218206 is a `hidden beast` number, since 396 + 82 + 182 + 0 + 6 = 666.

3968218206 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 Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3968218207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 267666 + ... + 282101.

It is an arithmetic number, because the mean of its divisors is an integer number (359135946).

Almost surely, 2^3968218206 is an apocalyptic number.

3968218206 is an abundant number, since it is smaller than the sum of its proper divisors (4651044498).

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

3968218206 is a wasteful number, since it uses less digits than its factorization.

3968218206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550176 (or 550173 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 3968218206 is about 62993.7949801407. The cubic root of 3968218206 is about 1583.1856633569.

The spelling of 3968218206 in words is "three billion, nine hundred sixty-eight million, two hundred eighteen thousand, two hundred six".