339645 has 8 divisors (see below), whose sum is σ = 543456. Its totient is φ = 181136.

The previous prime is 339637. The next prime is 339649. The reversal of 339645 is 546933.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 339645 - 2³ = 339637 is a prime.

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 (339649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11307 + ... + 11336.

It is an arithmetic number, because the mean of its divisors is an integer number (67932).

2³³⁹⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

339645 is a deficient number, since it is larger than the sum of its proper divisors (203811).

339645 is a wasteful number, since it uses less digits than its factorization.

339645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22651.

The product of its digits is 9720, while the sum is 30.

The square root of 339645 is about 582.7906999944. The cubic root of 339645 is about 69.7710205012.

The spelling of 339645 in words is "three hundred thirty-nine thousand, six hundred forty-five".