339945 has 16 divisors (see below), whose sum is σ = 551232. Its totient is φ = 178880.

The previous prime is 339943. The next prime is 339959. The reversal of 339945 is 549933.

It is not a de Polignac number, because 339945 - 2¹ = 339943 is a prime.

It is a Curzon number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (339943) 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, 1879 + ... + 2051.

It is an arithmetic number, because the mean of its divisors is an integer number (34452).

2³³⁹⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

339945 is a deficient number, since it is larger than the sum of its proper divisors (211287).

339945 is a wasteful number, since it uses less digits than its factorization.

339945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312.

The product of its digits is 14580, while the sum is 33.

The square root of 339945 is about 583.0480254662. The cubic root of 339945 is about 69.7915567930.

The spelling of 339945 in words is "three hundred thirty-nine thousand, nine hundred forty-five".