349967 has 2 divisors, whose sum is σ = 349968. Its totient is φ = 349966.

The previous prime is 349963. The next prime is 349981. The reversal of 349967 is 769943.

It is a weak prime.

It is an emirp because it is prime and its reverse (769943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 349967 - 2² = 349963 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 349967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349963) 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, 174983 + 174984.

It is an arithmetic number, because the mean of its divisors is an integer number (174984).

2³⁴⁹⁹⁶⁷ is an apocalyptic number.

349967 is a deficient number, since it is larger than the sum of its proper divisors (1).

349967 is an equidigital number, since it uses as much as digits as its factorization.

349967 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 349967 is about 591.5800875621. The cubic root of 349967 is about 70.4707723857.

It can be divided in two parts, 34 and 9967, that added together give a palindrome (10001).

The spelling of 349967 in words is "three hundred forty-nine thousand, nine hundred sixty-seven".