349392679 has 2 divisors, whose sum is σ = 349392680. Its totient is φ = 349392678.

The previous prime is 349392647. The next prime is 349392727. The reversal of 349392679 is 976293943.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 349392679 - 2⁵ = 349392647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349392629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174696339 + 174696340.

It is an arithmetic number, because the mean of its divisors is an integer number (174696340).

Almost surely, 2^349392679 is an apocalyptic number.

349392679 is a deficient number, since it is larger than the sum of its proper divisors (1).

349392679 is an equidigital number, since it uses as much as digits as its factorization.

349392679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2204496, while the sum is 52.

The square root of 349392679 is about 18692.0485501188. The cubic root of 349392679 is about 704.3220207834.

The spelling of 349392679 in words is "three hundred forty-nine million, three hundred ninety-two thousand, six hundred seventy-nine".