386818 has 16 divisors (see below), whose sum is σ = 635904. Its totient is φ = 175680.

The previous prime is 386809. The next prime is 386839. The reversal of 386818 is 818683.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 871 + ... + 1237.

It is an arithmetic number, because the mean of its divisors is an integer number (39744).

2³⁸⁶⁸¹⁸ is an apocalyptic number.

386818 is a deficient number, since it is larger than the sum of its proper divisors (249086).

386818 is a wasteful number, since it uses less digits than its factorization.

386818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417.

The product of its digits is 9216, while the sum is 34.

The square root of 386818 is about 621.9469430747. The cubic root of 386818 is about 72.8621907489.

The spelling of 386818 in words is "three hundred eighty-six thousand, eight hundred eighteen".