340441697 has 2 divisors, whose sum is σ = 340441698. Its totient is φ = 340441696.

The previous prime is 340441669. The next prime is 340441709. The reversal of 340441697 is 796144043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 280596001 + 59845696 = 16751^2 + 7736^2 .

It is a cyclic number.

It is not a de Polignac number, because 340441697 - 2¹⁴ = 340425313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340441697.

It is not a weakly prime, because it can be changed into another prime (340441397) 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, 170220848 + 170220849.

It is an arithmetic number, because the mean of its divisors is an integer number (170220849).

Almost surely, 2^340441697 is an apocalyptic number.

It is an amenable number.

340441697 is a deficient number, since it is larger than the sum of its proper divisors (1).

340441697 is an equidigital number, since it uses as much as digits as its factorization.

340441697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 340441697 is about 18451.0622187450. The cubic root of 340441697 is about 698.2553129603.

The spelling of 340441697 in words is "three hundred forty million, four hundred forty-one thousand, six hundred ninety-seven".