349071329 has 2 divisors, whose sum is σ = 349071330. Its totient is φ = 349071328.

The previous prime is 349071323. The next prime is 349071367. The reversal of 349071329 is 923170943.

It is an a-pointer prime, because the next prime (349071367) can be obtained adding 349071329 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 287370304 + 61701025 = 16952^2 + 7855^2 .

It is an emirp because it is prime and its reverse (923170943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 349071329 - 2¹² = 349067233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 349071292 and 349071301.

It is not a weakly prime, because it can be changed into another prime (349071323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174535664 + 174535665.

It is an arithmetic number, because the mean of its divisors is an integer number (174535665).

Almost surely, 2^349071329 is an apocalyptic number.

It is an amenable number.

349071329 is a deficient number, since it is larger than the sum of its proper divisors (1).

349071329 is an equidigital number, since it uses as much as digits as its factorization.

349071329 is an evil number, because the sum of its binary digits is even.

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

The square root of 349071329 is about 18683.4506716506. The cubic root of 349071329 is about 704.1060237884.

The spelling of 349071329 in words is "three hundred forty-nine million, seventy-one thousand, three hundred twenty-nine".