339280 has 20 divisors (see below), whose sum is σ = 789012. Its totient is φ = 135680.

The previous prime is 339263. The next prime is 339289. The reversal of 339280 is 82933.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 254016 + 85264 = 504^2 + 292^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×339280² = 230221836800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (339289) by changing a digit.

339280 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2041 + ... + 2200.

2³³⁹²⁸⁰ is an apocalyptic number.

It is an amenable number.

339280 is an abundant number, since it is smaller than the sum of its proper divisors (449732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

339280 is a wasteful number, since it uses less digits than its factorization.

339280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4254 (or 4248 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 339280 is about 582.4774673753. The cubic root of 339280 is about 69.7460183662.

The spelling of 339280 in words is "three hundred thirty-nine thousand, two hundred eighty".