349244197 has 2 divisors, whose sum is σ = 349244198. Its totient is φ = 349244196.

The previous prime is 349244179. The next prime is 349244201. The reversal of 349244197 is 791442943.

Together with previous prime (349244179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 321090561 + 28153636 = 17919^2 + 5306^2 .

It is an emirp because it is prime and its reverse (791442943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 349244197 - 2¹⁹ = 348719909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349244117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174622098 + 174622099.

It is an arithmetic number, because the mean of its divisors is an integer number (174622099).

Almost surely, 2^349244197 is an apocalyptic number.

It is an amenable number.

349244197 is a deficient number, since it is larger than the sum of its proper divisors (1).

349244197 is an equidigital number, since it uses as much as digits as its factorization.

349244197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 43.

The square root of 349244197 is about 18688.0763322499. The cubic root of 349244197 is about 704.2222343382. Note that the first 4 decimals are identical.

The spelling of 349244197 in words is "three hundred forty-nine million, two hundred forty-four thousand, one hundred ninety-seven".