386530 has 8 divisors (see below), whose sum is σ = 695772. Its totient is φ = 154608.

The previous prime is 386521. The next prime is 386537. The reversal of 386530 is 35683.

It can be written as a sum of positive squares in 2 ways, for example, as 349281 + 37249 = 591^2 + 193^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 386495 and 386504.

It is not an unprimeable number, because it can be changed into a prime (386537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19317 + ... + 19336.

2³⁸⁶⁵³⁰ is an apocalyptic number.

386530 is a deficient number, since it is larger than the sum of its proper divisors (309242).

386530 is a wasteful number, since it uses less digits than its factorization.

386530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38660.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 386530 is about 621.7153689591. The cubic root of 386530 is about 72.8441034133.

The spelling of 386530 in words is "three hundred eighty-six thousand, five hundred thirty".