339445 has 8 divisors (see below), whose sum is σ = 421560. Its totient is φ = 262080.

The previous prime is 339433. The next prime is 339467. The reversal of 339445 is 544933.

It can be written as a sum of positive squares in 4 ways, for example, as 54289 + 285156 = 233^2 + 534^2 .

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

It is not a de Polignac number, because 339445 - 2⁵ = 339413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1026 + ... + 1315.

It is an arithmetic number, because the mean of its divisors is an integer number (52695).

2³³⁹⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

339445 is a deficient number, since it is larger than the sum of its proper divisors (82115).

339445 is a wasteful number, since it uses less digits than its factorization.

339445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375.

The product of its digits is 6480, while the sum is 28.

The square root of 339445 is about 582.6190865394. The cubic root of 339445 is about 69.7573229209.

It can be divided in two parts, 339 and 445, that added together give a square (784 = 28²).

The spelling of 339445 in words is "three hundred thirty-nine thousand, four hundred forty-five".