386878 has 8 divisors (see below), whose sum is σ = 610920. Its totient is φ = 183240.

The previous prime is 386851. The next prime is 386887. The reversal of 386878 is 878683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 386878.

It is a congruent number.

It is an unprimeable number.

386878 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 5053 + ... + 5128.

It is an arithmetic number, because the mean of its divisors is an integer number (76365).

2³⁸⁶⁸⁷⁸ is an apocalyptic number.

386878 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

386878 is a deficient number, since it is larger than the sum of its proper divisors (224042).

386878 is a wasteful number, since it uses less digits than its factorization.

386878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10202.

The product of its digits is 64512, while the sum is 40.

The square root of 386878 is about 621.9951768302. The cubic root of 386878 is about 72.8659578137.

The spelling of 386878 in words is "three hundred eighty-six thousand, eight hundred seventy-eight".