349098779 has 2 divisors, whose sum is σ = 349098780. Its totient is φ = 349098778.

The previous prime is 349098731. The next prime is 349098787. The reversal of 349098779 is 977890943.

It is a strong prime.

It is an emirp because it is prime and its reverse (977890943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 349098779 - 2⁸ = 349098523 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (349098479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174549389 + 174549390.

It is an arithmetic number, because the mean of its divisors is an integer number (174549390).

Almost surely, 2^349098779 is an apocalyptic number.

349098779 is a deficient number, since it is larger than the sum of its proper divisors (1).

349098779 is an equidigital number, since it uses as much as digits as its factorization.

349098779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3429216, while the sum is 56.

The square root of 349098779 is about 18684.1852645493. The cubic root of 349098779 is about 704.1244796188.

The spelling of 349098779 in words is "three hundred forty-nine million, ninety-eight thousand, seven hundred seventy-nine".