347420039 has 2 divisors, whose sum is σ = 347420040. Its totient is φ = 347420038.

The previous prime is 347420027. The next prime is 347420063. The reversal of 347420039 is 930024743.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 347420039 - 2⁸ = 347419783 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 347419987 and 347420014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (347420089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173710019 + 173710020.

It is an arithmetic number, because the mean of its divisors is an integer number (173710020).

Almost surely, 2^347420039 is an apocalyptic number.

347420039 is a deficient number, since it is larger than the sum of its proper divisors (1).

347420039 is an equidigital number, since it uses as much as digits as its factorization.

347420039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 347420039 is about 18639.2070378544. The cubic root of 347420039 is about 702.9940051842.

The spelling of 347420039 in words is "three hundred forty-seven million, four hundred twenty thousand, thirty-nine".