349667 has 2 divisors, whose sum is σ = 349668. Its totient is φ = 349666.

The previous prime is 349663. The next prime is 349697. The reversal of 349667 is 766943.

It is a weak prime.

It is an emirp because it is prime and its reverse (766943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 349667 - 2² = 349663 is a prime.

It is a d-powerful number, because it can be written as 3⁸ + 4⁷ + 6⁶ + 9² + 6⁷ + 7² .

It is not a weakly prime, because it can be changed into another prime (349663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174833 + 174834.

It is an arithmetic number, because the mean of its divisors is an integer number (174834).

2³⁴⁹⁶⁶⁷ is an apocalyptic number.

349667 is a deficient number, since it is larger than the sum of its proper divisors (1).

349667 is an equidigital number, since it uses as much as digits as its factorization.

349667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 35.

The square root of 349667 is about 591.3264749696. The cubic root of 349667 is about 70.4506302242.

The spelling of 349667 in words is "three hundred forty-nine thousand, six hundred sixty-seven".