338865 has 32 divisors (see below), whose sum is σ = 604800. Its totient is φ = 161280.

The previous prime is 338857. The next prime is 338867. The reversal of 338865 is 568833.

It is not a de Polignac number, because 338865 - 2³ = 338857 is a prime.

It is a super-2 number, since 2×338865² = 229658976450, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 338865.

It is not an unprimeable number, because it can be changed into a prime (338867) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8245 + ... + 8285.

It is an arithmetic number, because the mean of its divisors is an integer number (18900).

2³³⁸⁸⁶⁵ is an apocalyptic number.

It is an amenable number.

338865 is a deficient number, since it is larger than the sum of its proper divisors (265935).

338865 is a wasteful number, since it uses less digits than its factorization.

338865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97.

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

The square root of 338865 is about 582.1211214172. The cubic root of 338865 is about 69.7175694871.

The spelling of 338865 in words is "three hundred thirty-eight thousand, eight hundred sixty-five".