386213 has 4 divisors (see below), whose sum is σ = 406560. Its totient is φ = 365868.

The previous prime is 386173. The next prime is 386219. The reversal of 386213 is 312683.

Added to its reverse (312683) it gives a square (698896 = 836²).

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 386213 - 2⁶ = 386149 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 (386219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10145 + ... + 10182.

It is an arithmetic number, because the mean of its divisors is an integer number (101640).

2³⁸⁶²¹³ is an apocalyptic number.

It is an amenable number.

386213 is a deficient number, since it is larger than the sum of its proper divisors (20347).

386213 is a wasteful number, since it uses less digits than its factorization.

386213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20346.

The product of its digits is 864, while the sum is 23.

The square root of 386213 is about 621.4603768544. The cubic root of 386213 is about 72.8241843934.

Adding to 386213 its reverse (312683), we get a palindrome (698896).

The spelling of 386213 in words is "three hundred eighty-six thousand, two hundred thirteen".