349697 has 2 divisors, whose sum is σ = 349698. Its totient is φ = 349696.

The previous prime is 349667. The next prime is 349709. The reversal of 349697 is 796943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231361 + 118336 = 481^2 + 344^2 .

It is a cyclic number.

It is not a de Polignac number, because 349697 - 2¹² = 345601 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 349697.

It is not a weakly prime, because it can be changed into another prime (349637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174848 + 174849.

It is an arithmetic number, because the mean of its divisors is an integer number (174849).

2³⁴⁹⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

349697 is a deficient number, since it is larger than the sum of its proper divisors (1).

349697 is an equidigital number, since it uses as much as digits as its factorization.

349697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 38.

The square root of 349697 is about 591.3518411234. The cubic root of 349697 is about 70.4526449587.

It can be divided in two parts, 349 and 697, that multiplied together give a triangular number (243253 = T₆₉₇).

The spelling of 349697 in words is "three hundred forty-nine thousand, six hundred ninety-seven".