349046237 has 2 divisors, whose sum is σ = 349046238. Its totient is φ = 349046236.

The previous prime is 349046213. The next prime is 349046239. The reversal of 349046237 is 732640943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 309971236 + 39075001 = 17606^2 + 6251^2 .

It is an emirp because it is prime and its reverse (732640943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 349046237 - 2⁸ = 349045981 is a prime.

Together with 349046239, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 349046237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349046239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174523118 + 174523119.

It is an arithmetic number, because the mean of its divisors is an integer number (174523119).

Almost surely, 2^349046237 is an apocalyptic number.

It is an amenable number.

349046237 is a deficient number, since it is larger than the sum of its proper divisors (1).

349046237 is an equidigital number, since it uses as much as digits as its factorization.

349046237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 38.

The square root of 349046237 is about 18682.7791562176. The cubic root of 349046237 is about 704.0891524976.

The spelling of 349046237 in words is "three hundred forty-nine million, forty-six thousand, two hundred thirty-seven".