386218206 has 240 divisors, whose sum is σ = 1077587280. Its totient is φ = 102643200.

The previous prime is 386218199. The next prime is 386218211. The reversal of 386218206 is 602812683.

386218206 is a `hidden beast` number, since 3 + 8 + 621 + 8 + 20 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 6331416 + ... + 6331476.

It is an arithmetic number, because the mean of its divisors is an integer number (4489947).

Almost surely, 2^386218206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 386218206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538793640).

386218206 is an abundant number, since it is smaller than the sum of its proper divisors (691369074).

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

386218206 is a wasteful number, since it uses less digits than its factorization.

386218206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 386218206 is about 19652.4351162903. The cubic root of 386218206 is about 728.2451160579.

The spelling of 386218206 in words is "three hundred eighty-six million, two hundred eighteen thousand, two hundred six".