340632239 has 2 divisors, whose sum is σ = 340632240. Its totient is φ = 340632238.

The previous prime is 340632217. The next prime is 340632241. The reversal of 340632239 is 932236043.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340632239 is a prime.

Together with 340632241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340632269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170316119 + 170316120.

It is an arithmetic number, because the mean of its divisors is an integer number (170316120).

Almost surely, 2^340632239 is an apocalyptic number.

340632239 is a deficient number, since it is larger than the sum of its proper divisors (1).

340632239 is an equidigital number, since it uses as much as digits as its factorization.

340632239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 32.

The square root of 340632239 is about 18456.2249390280. The cubic root of 340632239 is about 698.3855576307.

The spelling of 340632239 in words is "three hundred forty million, six hundred thirty-two thousand, two hundred thirty-nine".