338530 has 16 divisors (see below), whose sum is σ = 617400. Its totient is φ = 133632.

The previous prime is 338497. The next prime is 338531. The reversal of 338530 is 35833.

It can be written as a sum of positive squares in 4 ways, for example, as 294849 + 43681 = 543^2 + 209^2 .

It is a super-2 number, since 2×338530² = 229205121800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338531) 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, 796 + ... + 1144.

2³³⁸⁵³⁰ is an apocalyptic number.

338530 is a deficient number, since it is larger than the sum of its proper divisors (278870).

338530 is a wasteful number, since it uses less digits than its factorization.

338530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 338530 is about 581.8333094624. The cubic root of 338530 is about 69.6945877821.

It can be divided in two parts, 338 and 530, that added together give a palindrome (868).

The spelling of 338530 in words is "three hundred thirty-eight thousand, five hundred thirty".