386389 has 8 divisors (see below), whose sum is σ = 402560. Its totient is φ = 370656.

The previous prime is 386383. The next prime is 386401. The reversal of 386389 is 983683.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 386389 - 2³ = 386381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4852 + ... + 4930.

It is an arithmetic number, because the mean of its divisors is an integer number (50320).

2³⁸⁶³⁸⁹ is an apocalyptic number.

It is an amenable number.

386389 is a deficient number, since it is larger than the sum of its proper divisors (16171).

386389 is an equidigital number, since it uses as much as digits as its factorization.

386389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219.

The product of its digits is 31104, while the sum is 37.

The square root of 386389 is about 621.6019626739. The cubic root of 386389 is about 72.8352448791.

The spelling of 386389 in words is "three hundred eighty-six thousand, three hundred eighty-nine".