386399 has 4 divisors (see below), whose sum is σ = 416136. Its totient is φ = 356664.

The previous prime is 386383. The next prime is 386401. The reversal of 386399 is 993683.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 386399 - 2⁴ = 386383 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 (386329) 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 3 ways as a sum of consecutive naturals, for example, 14849 + ... + 14874.

It is an arithmetic number, because the mean of its divisors is an integer number (104034).

2³⁸⁶³⁹⁹ is an apocalyptic number.

386399 is a deficient number, since it is larger than the sum of its proper divisors (29737).

386399 is a wasteful number, since it uses less digits than its factorization.

386399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29736.

The product of its digits is 34992, while the sum is 38.

The square root of 386399 is about 621.6100063545. The cubic root of 386399 is about 72.8358732149.

The spelling of 386399 in words is "three hundred eighty-six thousand, three hundred ninety-nine".