340364047 has 2 divisors, whose sum is σ = 340364048. Its totient is φ = 340364046.

The previous prime is 340364009. The next prime is 340364071. The reversal of 340364047 is 740463043.

It is a strong prime.

It is an emirp because it is prime and its reverse (740463043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340364047 - 2¹¹ = 340361999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340362047) 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, 170182023 + 170182024.

It is an arithmetic number, because the mean of its divisors is an integer number (170182024).

Almost surely, 2^340364047 is an apocalyptic number.

340364047 is a deficient number, since it is larger than the sum of its proper divisors (1).

340364047 is an equidigital number, since it uses as much as digits as its factorization.

340364047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 340364047 is about 18448.9578838481. The cubic root of 340364047 is about 698.2022214929.

It can be divided in two parts, 34036 and 4047, that added together give a palindrome (38083).

The spelling of 340364047 in words is "three hundred forty million, three hundred sixty-four thousand, forty-seven".