339409 has 4 divisors (see below), whose sum is σ = 387904. Its totient is φ = 290916.

The previous prime is 339389. The next prime is 339413. The reversal of 339409 is 904933.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 339409 - 2¹¹ = 337361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (330409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24237 + ... + 24250.

It is an arithmetic number, because the mean of its divisors is an integer number (96976).

2³³⁹⁴⁰⁹ is an apocalyptic number.

It is an amenable number.

339409 is a deficient number, since it is larger than the sum of its proper divisors (48495).

339409 is an equidigital number, since it uses as much as digits as its factorization.

339409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48494.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 339409 is about 582.5881907488. The cubic root of 339409 is about 69.7548567851.

The spelling of 339409 in words is "three hundred thirty-nine thousand, four hundred nine".