348434729 has 2 divisors, whose sum is σ = 348434730. Its totient is φ = 348434728.

The previous prime is 348434617. The next prime is 348434743. The reversal of 348434729 is 927434843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 339554329 + 8880400 = 18427^2 + 2980^2 .

It is a cyclic number.

It is not a de Polignac number, because 348434729 - 2¹² = 348430633 is a prime.

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 348434729.

It is not a weakly prime, because it can be changed into another prime (348434789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174217364 + 174217365.

It is an arithmetic number, because the mean of its divisors is an integer number (174217365).

Almost surely, 2^348434729 is an apocalyptic number.

It is an amenable number.

348434729 is a deficient number, since it is larger than the sum of its proper divisors (1).

348434729 is an equidigital number, since it uses as much as digits as its factorization.

348434729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 44.

The square root of 348434729 is about 18666.4064297336. The cubic root of 348434729 is about 703.6777382064.

The spelling of 348434729 in words is "three hundred forty-eight million, four hundred thirty-four thousand, seven hundred twenty-nine".