339820 has 24 divisors (see below), whose sum is σ = 769104. Its totient is φ = 125376.

The previous prime is 339817. The next prime is 339821. The reversal of 339820 is 28933.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (339821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394 + ... + 913.

It is an arithmetic number, because the mean of its divisors is an integer number (32046).

2³³⁹⁸²⁰ is an apocalyptic number.

It is an amenable number.

339820 is an abundant number, since it is smaller than the sum of its proper divisors (429284).

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

339820 is a wasteful number, since it uses less digits than its factorization.

339820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329 (or 1327 counting only the distinct ones).

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

The square root of 339820 is about 582.9408203240. The cubic root of 339820 is about 69.7830014736.

The spelling of 339820 in words is "three hundred thirty-nine thousand, eight hundred twenty".