386287 has 4 divisors (see below), whose sum is σ = 421416. Its totient is φ = 351160.

The previous prime is 386279. The next prime is 386297. The reversal of 386287 is 782683.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 782683 = 11 ⋅71153.

It is a cyclic number.

It is not a de Polignac number, because 386287 - 2³ = 386279 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 (386227) 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, 17548 + ... + 17569.

It is an arithmetic number, because the mean of its divisors is an integer number (105354).

2³⁸⁶²⁸⁷ is an apocalyptic number.

386287 is a deficient number, since it is larger than the sum of its proper divisors (35129).

386287 is a wasteful number, since it uses less digits than its factorization.

386287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35128.

The product of its digits is 16128, while the sum is 34.

The square root of 386287 is about 621.5199111855. The cubic root of 386287 is about 72.8288352342.

The spelling of 386287 in words is "three hundred eighty-six thousand, two hundred eighty-seven".