338685 has 16 divisors (see below), whose sum is σ = 551616. Its totient is φ = 177408.

The previous prime is 338683. The next prime is 338687. The reversal of 338685 is 586833.

It is an interprime number because it is at equal distance from previous prime (338683) and next prime (338687).

It is not a de Polignac number, because 338685 - 2¹ = 338683 is a prime.

It is a super-2 number, since 2×338685² = 229415058450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 338685.

It is not an unprimeable number, because it can be changed into a prime (338683) 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, 837 + ... + 1173.

It is an arithmetic number, because the mean of its divisors is an integer number (34476).

2³³⁸⁶⁸⁵ is an apocalyptic number.

It is an amenable number.

338685 is a deficient number, since it is larger than the sum of its proper divisors (212931).

338685 is a wasteful number, since it uses less digits than its factorization.

338685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412.

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

The square root of 338685 is about 581.9664938809. The cubic root of 338685 is about 69.7052229920.

The spelling of 338685 in words is "three hundred thirty-eight thousand, six hundred eighty-five".