386711868 has 48 divisors (see below), whose sum is σ = 935383680. Its totient is φ = 124200384.

The previous prime is 386711863. The next prime is 386711891. The reversal of 386711868 is 868117683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386711863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236871 + ... + 238497.

It is an arithmetic number, because the mean of its divisors is an integer number (19487160).

Almost surely, 2^386711868 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 386711868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467691840).

386711868 is an abundant number, since it is smaller than the sum of its proper divisors (548671812).

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

386711868 is a wasteful number, since it uses less digits than its factorization.

386711868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2346 (or 2344 counting only the distinct ones).

The product of its digits is 387072, while the sum is 48.

The square root of 386711868 is about 19664.9909229575. The cubic root of 386711868 is about 728.5552635948. Note that the first 3 decimals are identical.

The spelling of 386711868 in words is "three hundred eighty-six million, seven hundred eleven thousand, eight hundred sixty-eight".