338540 has 12 divisors (see below), whose sum is σ = 710976. Its totient is φ = 135408.

The previous prime is 338531. The next prime is 338543. The reversal of 338540 is 45833.

It is a super-2 number, since 2×338540² = 229218663200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338543) 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, 8444 + ... + 8483.

It is an arithmetic number, because the mean of its divisors is an integer number (59248).

2³³⁸⁵⁴⁰ is an apocalyptic number.

It is an amenable number.

338540 is an abundant number, since it is smaller than the sum of its proper divisors (372436).

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

338540 is a wasteful number, since it uses less digits than its factorization.

338540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16936 (or 16934 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 338540 is about 581.8419029255. The cubic root of 338540 is about 69.6952740226.

It can be divided in two parts, 338 and 540, that added together give a palindrome (878).

The spelling of 338540 in words is "three hundred thirty-eight thousand, five hundred forty".