386239 has 8 divisors (see below), whose sum is σ = 460800. Its totient is φ = 316536.

The previous prime is 386237. The next prime is 386249. The reversal of 386239 is 932683.

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 386239 - 2¹ = 386237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 386239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386233) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1039 + ... + 1360.

It is an arithmetic number, because the mean of its divisors is an integer number (57600).

2³⁸⁶²³⁹ is an apocalyptic number.

386239 is a deficient number, since it is larger than the sum of its proper divisors (74561).

386239 is a wasteful number, since it uses less digits than its factorization.

386239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429.

The product of its digits is 7776, while the sum is 31.

The square root of 386239 is about 621.4812949719. The cubic root of 386239 is about 72.8258185403.

It can be divided in two parts, 386 and 239, that added together give a 4-th power (625 = 5⁴).

The spelling of 386239 in words is "three hundred eighty-six thousand, two hundred thirty-nine".