340341047 has 2 divisors, whose sum is σ = 340341048. Its totient is φ = 340341046.

The previous prime is 340341011. The next prime is 340341061. The reversal of 340341047 is 740143043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340341047 - 2⁶ = 340340983 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 (340341007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170170523 + 170170524.

It is an arithmetic number, because the mean of its divisors is an integer number (170170524).

Almost surely, 2^340341047 is an apocalyptic number.

340341047 is a deficient number, since it is larger than the sum of its proper divisors (1).

340341047 is an equidigital number, since it uses as much as digits as its factorization.

340341047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 340341047 is about 18448.3345318758. The cubic root of 340341047 is about 698.1864942023.

The spelling of 340341047 in words is "three hundred forty million, three hundred forty-one thousand, forty-seven".