386729 has 8 divisors (see below), whose sum is σ = 447168. Its totient is φ = 327600.

The previous prime is 386723. The next prime is 386731. The reversal of 386729 is 927683.

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

It is not a de Polignac number, because 386729 - 2⁴ = 386713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (386723) 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, 434 + ... + 980.

It is an arithmetic number, because the mean of its divisors is an integer number (55896).

2³⁸⁶⁷²⁹ is an apocalyptic number.

It is an amenable number.

386729 is a deficient number, since it is larger than the sum of its proper divisors (60439).

386729 is a wasteful number, since it uses less digits than its factorization.

386729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655.

The product of its digits is 18144, while the sum is 35.

The square root of 386729 is about 621.8753894471. The cubic root of 386729 is about 72.8566022186.

The spelling of 386729 in words is "three hundred eighty-six thousand, seven hundred twenty-nine".