340342339 has 4 divisors (see below), whose sum is σ = 355139856. Its totient is φ = 325544824.

The previous prime is 340342333. The next prime is 340342403. The reversal of 340342339 is 933243043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 933243043 = 673 ⋅1386691.

It is a cyclic number.

It is not a de Polignac number, because 340342339 - 2¹⁹ = 339818051 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 340342339.

It is not an unprimeable number, because it can be changed into a prime (340342333) 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, 7398724 + ... + 7398769.

It is an arithmetic number, because the mean of its divisors is an integer number (88784964).

Almost surely, 2^340342339 is an apocalyptic number.

340342339 is a deficient number, since it is larger than the sum of its proper divisors (14797517).

340342339 is a wasteful number, since it uses less digits than its factorization.

340342339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14797516.

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

The square root of 340342339 is about 18448.3695485536. The cubic root of 340342339 is about 698.1873776845.

The spelling of 340342339 in words is "three hundred forty million, three hundred forty-two thousand, three hundred thirty-nine".