386538 has 16 divisors (see below), whose sum is σ = 806976. Its totient is φ = 123200.

The previous prime is 386537. The next prime is 386543. The reversal of 386538 is 835683.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 386499 and 386508.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1263 + ... + 1538.

It is an arithmetic number, because the mean of its divisors is an integer number (50436).

2³⁸⁶⁵³⁸ is an apocalyptic number.

386538 is an abundant number, since it is smaller than the sum of its proper divisors (420438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

386538 is a wasteful number, since it uses less digits than its factorization.

386538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829.

The product of its digits is 17280, while the sum is 33.

The square root of 386538 is about 621.7218027382. The cubic root of 386538 is about 72.8446059606.

Adding to 386538 its reverse (835683), we get a palindrome (1222221).

The spelling of 386538 in words is "three hundred eighty-six thousand, five hundred thirty-eight".