340434361 has 2 divisors, whose sum is σ = 340434362. Its totient is φ = 340434360.

The previous prime is 340434349. The next prime is 340434371. The reversal of 340434361 is 163434043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 288320400 + 52113961 = 16980^2 + 7219^2 .

It is a cyclic number.

It is not a de Polignac number, because 340434361 - 2⁵ = 340434329 is a prime.

It is not a weakly prime, because it can be changed into another prime (340434331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170217180 + 170217181.

It is an arithmetic number, because the mean of its divisors is an integer number (170217181).

Almost surely, 2^340434361 is an apocalyptic number.

It is an amenable number.

340434361 is a deficient number, since it is larger than the sum of its proper divisors (1).

340434361 is an equidigital number, since it uses as much as digits as its factorization.

340434361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 340434361 is about 18450.8634215313. The cubic root of 340434361 is about 698.2502974782.

The spelling of 340434361 in words is "three hundred forty million, four hundred thirty-four thousand, three hundred sixty-one".