339243 has 4 divisors (see below), whose sum is σ = 452328. Its totient is φ = 226160.

The previous prime is 339239. The next prime is 339247. The reversal of 339243 is 342933.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342933 = 3 ⋅114311.

It is an interprime number because it is at equal distance from previous prime (339239) and next prime (339247).

It is a cyclic number.

It is not a de Polignac number, because 339243 - 2² = 339239 is a prime.

It is a D-number.

339243 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 339243.

It is not an unprimeable number, because it can be changed into a prime (339247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56538 + ... + 56543.

It is an arithmetic number, because the mean of its divisors is an integer number (113082).

2³³⁹²⁴³ is an apocalyptic number.

339243 is a deficient number, since it is larger than the sum of its proper divisors (113085).

339243 is a wasteful number, since it uses less digits than its factorization.

339243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113084.

The product of its digits is 1944, while the sum is 24.

The square root of 339243 is about 582.4457056241. The cubic root of 339243 is about 69.7434829024.

The spelling of 339243 in words is "three hundred thirty-nine thousand, two hundred forty-three".