349392727 has 2 divisors, whose sum is σ = 349392728. Its totient is φ = 349392726.

The previous prime is 349392679. The next prime is 349392731. The reversal of 349392727 is 727293943.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (727293943) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349392727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349392737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174696363 + 174696364.

It is an arithmetic number, because the mean of its divisors is an integer number (174696364).

Almost surely, 2^349392727 is an apocalyptic number.

349392727 is a deficient number, since it is larger than the sum of its proper divisors (1).

349392727 is an equidigital number, since it uses as much as digits as its factorization.

349392727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 46.

The square root of 349392727 is about 18692.0498340872. The cubic root of 349392727 is about 704.3220530369.

The spelling of 349392727 in words is "three hundred forty-nine million, three hundred ninety-two thousand, seven hundred twenty-seven".