340339 has 2 divisors, whose sum is σ = 340340. Its totient is φ = 340338.

The previous prime is 340337. The next prime is 340369. The reversal of 340339 is 933043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340339 - 2¹ = 340337 is a prime.

Together with 340337, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (340337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170169 + 170170.

It is an arithmetic number, because the mean of its divisors is an integer number (170170).

2³⁴⁰³³⁹ is an apocalyptic number.

340339 is a deficient number, since it is larger than the sum of its proper divisors (1).

340339 is an equidigital number, since it uses as much as digits as its factorization.

340339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 340339 is about 583.3858071637. The cubic root of 340339 is about 69.8185094439.

Subtracting 340339 from its reverse (933043), we obtain a cube (592704 = 84³).

The spelling of 340339 in words is "three hundred forty thousand, three hundred thirty-nine".