386245 has 4 divisors (see below), whose sum is σ = 463500. Its totient is φ = 308992.

The previous prime is 386237. The next prime is 386249. The reversal of 386245 is 542683.

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

It can be written as a sum of positive squares in 2 ways, for example, as 42849 + 343396 = 207^2 + 586^2 .

It is a cyclic number.

It is not a de Polignac number, because 386245 - 2³ = 386237 is a prime.

386245 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386249) 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, 38620 + ... + 38629.

It is an arithmetic number, because the mean of its divisors is an integer number (115875).

2³⁸⁶²⁴⁵ is an apocalyptic number.

It is an amenable number.

386245 is a deficient number, since it is larger than the sum of its proper divisors (77255).

386245 is an equidigital number, since it uses as much as digits as its factorization.

386245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77254.

The product of its digits is 5760, while the sum is 28.

The square root of 386245 is about 621.4861221299. The cubic root of 386245 is about 72.8261956407.

The spelling of 386245 in words is "three hundred eighty-six thousand, two hundred forty-five".