386818842 has 16 divisors (see below), whose sum is σ = 773958240. Its totient is φ = 128886192.

The previous prime is 386818829. The next prime is 386818843. The reversal of 386818842 is 248818683.

It is a junction number, because it is equal to n+sod(n) for n = 386818791 and 386818800.

It is not an unprimeable number, because it can be changed into a prime (386818843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4084 + ... + 28112.

It is an arithmetic number, because the mean of its divisors is an integer number (48372390).

Almost surely, 2^386818842 is an apocalyptic number.

386818842 is an abundant number, since it is smaller than the sum of its proper divisors (387139398).

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

386818842 is a wasteful number, since it uses less digits than its factorization.

386818842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26717.

The product of its digits is 589824, while the sum is 48.

The square root of 386818842 is about 19667.7106446073. The cubic root of 386818842 is about 728.6224361608.

The spelling of 386818842 in words is "three hundred eighty-six million, eight hundred eighteen thousand, eight hundred forty-two".