349272197 has 2 divisors, whose sum is σ = 349272198. Its totient is φ = 349272196.

The previous prime is 349272167. The next prime is 349272229. The reversal of 349272197 is 791272943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 283888801 + 65383396 = 16849^2 + 8086^2 .

It is an emirp because it is prime and its reverse (791272943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 349272197 - 2⁸ = 349271941 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349272127) 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, 174636098 + 174636099.

It is an arithmetic number, because the mean of its divisors is an integer number (174636099).

Almost surely, 2^349272197 is an apocalyptic number.

It is an amenable number.

349272197 is a deficient number, since it is larger than the sum of its proper divisors (1).

349272197 is an equidigital number, since it uses as much as digits as its factorization.

349272197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 44.

The square root of 349272197 is about 18688.8254580110. The cubic root of 349272197 is about 704.2410537353.

The spelling of 349272197 in words is "three hundred forty-nine million, two hundred seventy-two thousand, one hundred ninety-seven".