338785 has 4 divisors (see below), whose sum is σ = 406548. Its totient is φ = 271024.

The previous prime is 338777. The next prime is 338791. The reversal of 338785 is 587833.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 242064 + 96721 = 492^2 + 311^2 .

It is a cyclic number.

It is not a de Polignac number, because 338785 - 2³ = 338777 is a prime.

It is a super-2 number, since 2×338785² = 229550552450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 338785.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33874 + ... + 33883.

It is an arithmetic number, because the mean of its divisors is an integer number (101637).

2³³⁸⁷⁸⁵ is an apocalyptic number.

It is an amenable number.

338785 is a deficient number, since it is larger than the sum of its proper divisors (67763).

338785 is an equidigital number, since it uses as much as digits as its factorization.

338785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67762.

The product of its digits is 20160, while the sum is 34.

The square root of 338785 is about 582.0524031391. The cubic root of 338785 is about 69.7120826958.

The spelling of 338785 in words is "three hundred thirty-eight thousand, seven hundred eighty-five".