348809089 has 2 divisors, whose sum is σ = 348809090. Its totient is φ = 348809088.

The previous prime is 348809063. The next prime is 348809113. The reversal of 348809089 is 980908843.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 257281600 + 91527489 = 16040^2 + 9567^2 .

It is an emirp because it is prime and its reverse (980908843) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 348809089 - 2⁵ = 348809057 is a prime.

It is not a weakly prime, because it can be changed into another prime (348809029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174404544 + 174404545.

It is an arithmetic number, because the mean of its divisors is an integer number (174404545).

Almost surely, 2^348809089 is an apocalyptic number.

It is an amenable number.

348809089 is a deficient number, since it is larger than the sum of its proper divisors (1).

348809089 is an equidigital number, since it uses as much as digits as its factorization.

348809089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 348809089 is about 18676.4313775411. The cubic root of 348809089 is about 703.9296596227.

The spelling of 348809089 in words is "three hundred forty-eight million, eight hundred nine thousand, eighty-nine".