349026169 has 2 divisors, whose sum is σ = 349026170. Its totient is φ = 349026168.

The previous prime is 349026149. The next prime is 349026191. The reversal of 349026169 is 961620943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182925625 + 166100544 = 13525^2 + 12888^2 .

It is a cyclic number.

It is not a de Polignac number, because 349026169 - 2¹⁵ = 348993401 is a prime.

It is a super-2 number, since 2×349026169² = 243638533293633122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (349026149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174513084 + 174513085.

It is an arithmetic number, because the mean of its divisors is an integer number (174513085).

Almost surely, 2^349026169 is an apocalyptic number.

It is an amenable number.

349026169 is a deficient number, since it is larger than the sum of its proper divisors (1).

349026169 is an equidigital number, since it uses as much as digits as its factorization.

349026169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 349026169 is about 18682.2420763676. The cubic root of 349026169 is about 704.0756586484.

The spelling of 349026169 in words is "three hundred forty-nine million, twenty-six thousand, one hundred sixty-nine".