338660 has 48 divisors (see below), whose sum is σ = 846720. Its totient is φ = 111360.

The previous prime is 338659. The next prime is 338669. The reversal of 338660 is 66833.

It is a super-2 number, since 2×338660² = 229381191200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5711 + ... + 5769.

It is an arithmetic number, because the mean of its divisors is an integer number (17640).

2³³⁸⁶⁶⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 338660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423360).

338660 is an abundant number, since it is smaller than the sum of its proper divisors (508060).

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

338660 is a wasteful number, since it uses less digits than its factorization.

338660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 338660 is about 581.9450145847. The cubic root of 338660 is about 69.7035078551.

The spelling of 338660 in words is "three hundred thirty-eight thousand, six hundred sixty".