339428 has 6 divisors (see below), whose sum is σ = 594006. Its totient is φ = 169712.

The previous prime is 339413. The next prime is 339433. The reversal of 339428 is 824933.

It can be written as a sum of positive squares in only one way, i.e., 262144 + 77284 = 512^2 + 278^2 .

It is a super-2 number, since 2×339428² = 230422734368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 339428.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 339428.

It is an unprimeable number.

339428 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 as a sum of consecutive naturals, namely, 42425 + ... + 42432.

It is an arithmetic number, because the mean of its divisors is an integer number (99001).

2³³⁹⁴²⁸ is an apocalyptic number.

It is an amenable number.

339428 is a deficient number, since it is larger than the sum of its proper divisors (254578).

339428 is a wasteful number, since it uses less digits than its factorization.

339428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84861 (or 84859 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 339428 is about 582.6044970647. The cubic root of 339428 is about 69.7561583785.

It can be divided in two parts, 339 and 428, that added together give a palindrome (767).

The spelling of 339428 in words is "three hundred thirty-nine thousand, four hundred twenty-eight".