340038847 has 2 divisors, whose sum is σ = 340038848. Its totient is φ = 340038846.

The previous prime is 340038841. The next prime is 340038851. The reversal of 340038847 is 748830043.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340038847 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340038841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170019423 + 170019424.

It is an arithmetic number, because the mean of its divisors is an integer number (170019424).

Almost surely, 2^340038847 is an apocalyptic number.

340038847 is a deficient number, since it is larger than the sum of its proper divisors (1).

340038847 is an equidigital number, since it uses as much as digits as its factorization.

340038847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 340038847 is about 18440.1422716854. The cubic root of 340038847 is about 697.9797854317.

The spelling of 340038847 in words is "three hundred forty million, thirty-eight thousand, eight hundred forty-seven".