339818 has 4 divisors (see below), whose sum is σ = 509730. Its totient is φ = 169908.

The previous prime is 339817. The next prime is 339821. The reversal of 339818 is 818933.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 818933 = 593 ⋅1381.

It can be written as a sum of positive squares in only one way, i.e., 332929 + 6889 = 577^2 + 83^2 .

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 339818.

It is not an unprimeable number, because it can be changed into a prime (339811) 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 as a sum of consecutive naturals, namely, 84953 + ... + 84956.

2³³⁹⁸¹⁸ is an apocalyptic number.

339818 is a deficient number, since it is larger than the sum of its proper divisors (169912).

339818 is a wasteful number, since it uses less digits than its factorization.

339818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169911.

The product of its digits is 5184, while the sum is 32.

The square root of 339818 is about 582.9391048815. The cubic root of 339818 is about 69.7828645715.

The spelling of 339818 in words is "three hundred thirty-nine thousand, eight hundred eighteen".