349169 has 4 divisors (see below), whose sum is σ = 358644. Its totient is φ = 339696.

The previous prime is 349133. The next prime is 349171. The reversal of 349169 is 961943.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 262144 + 87025 = 512^2 + 295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349169 is a prime.

It is a super-2 number, since 2×349169² = 243837981122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 349169.

It is not an unprimeable number, because it can be changed into a prime (349109) 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 in 3 ways as a sum of consecutive naturals, for example, 4682 + ... + 4755.

It is an arithmetic number, because the mean of its divisors is an integer number (89661).

2³⁴⁹¹⁶⁹ is an apocalyptic number.

It is an amenable number.

349169 is a deficient number, since it is larger than the sum of its proper divisors (9475).

349169 is an equidigital number, since it uses as much as digits as its factorization.

349169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9474.

The product of its digits is 5832, while the sum is 32.

The square root of 349169 is about 590.9052377497. The cubic root of 349169 is about 70.4171687852.

The spelling of 349169 in words is "three hundred forty-nine thousand, one hundred sixty-nine".