349046213 has 2 divisors, whose sum is σ = 349046214. Its totient is φ = 349046212.

The previous prime is 349046177. The next prime is 349046237. The reversal of 349046213 is 312640943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 264810529 + 84235684 = 16273^2 + 9178^2 .

It is an emirp because it is prime and its reverse (312640943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 349046213 - 2¹⁶ = 348980677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 349046213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349046263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174523106 + 174523107.

It is an arithmetic number, because the mean of its divisors is an integer number (174523107).

Almost surely, 2^349046213 is an apocalyptic number.

It is an amenable number.

349046213 is a deficient number, since it is larger than the sum of its proper divisors (1).

349046213 is an equidigital number, since it uses as much as digits as its factorization.

349046213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 349046213 is about 18682.7785139149. The cubic root of 349046213 is about 704.0891363602.

The spelling of 349046213 in words is "three hundred forty-nine million, forty-six thousand, two hundred thirteen".