349158679 has 2 divisors, whose sum is σ = 349158680. Its totient is φ = 349158678.

The previous prime is 349158671. The next prime is 349158697. The reversal of 349158679 is 976851943.

It is a happy number.

Together with next prime (349158697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 349158679 - 2³ = 349158671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349158671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174579339 + 174579340.

It is an arithmetic number, because the mean of its divisors is an integer number (174579340).

Almost surely, 2^349158679 is an apocalyptic number.

349158679 is a deficient number, since it is larger than the sum of its proper divisors (1).

349158679 is an equidigital number, since it uses as much as digits as its factorization.

349158679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 52.

The square root of 349158679 is about 18685.7881557081. The cubic root of 349158679 is about 704.1647496386.

The spelling of 349158679 in words is "three hundred forty-nine million, one hundred fifty-eight thousand, six hundred seventy-nine".