340243339 has 4 divisors (see below), whose sum is σ = 343254456. Its totient is φ = 337232224.

The previous prime is 340243313. The next prime is 340243349. The reversal of 340243339 is 933342043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 340243339 - 2⁹ = 340242827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340243339.

It is not an unprimeable number, because it can be changed into a prime (340243349) 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, 1505389 + ... + 1505614.

It is an arithmetic number, because the mean of its divisors is an integer number (85813614).

Almost surely, 2^340243339 is an apocalyptic number.

340243339 is a deficient number, since it is larger than the sum of its proper divisors (3011117).

340243339 is a wasteful number, since it uses less digits than its factorization.

340243339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3011116.

The product of its (nonzero) digits is 23328, while the sum is 31.

The square root of 340243339 is about 18445.6861894590. The cubic root of 340243339 is about 698.1196740368.

The spelling of 340243339 in words is "three hundred forty million, two hundred forty-three thousand, three hundred thirty-nine".