338709 has 12 divisors (see below), whose sum is σ = 520224. Its totient is φ = 192024.

The previous prime is 338707. The next prime is 338717. The reversal of 338709 is 907833.

It is not a de Polignac number, because 338709 - 2¹ = 338707 is a prime.

It is a super-2 number, since 2×338709² = 229447573362, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

338709 is a Rhonda number in base 14.

338709 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2604 + ... + 2730.

It is an arithmetic number, because the mean of its divisors is an integer number (43352).

2³³⁸⁷⁰⁹ is an apocalyptic number.

It is an amenable number.

338709 is a deficient number, since it is larger than the sum of its proper divisors (181515).

338709 is an equidigital number, since it uses as much as digits as its factorization.

338709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 338709 is about 581.9871132594. The cubic root of 338709 is about 69.7068694441.

The spelling of 338709 in words is "three hundred thirty-eight thousand, seven hundred nine".