348286289 has 4 divisors (see below), whose sum is σ = 375077556. Its totient is φ = 321495024.

The previous prime is 348286277. The next prime is 348286297. The reversal of 348286289 is 982682843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 982682843 = 23 ⋅42725341.

It can be written as a sum of positive squares in 2 ways, for example, as 76300225 + 271986064 = 8735^2 + 16492^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-348286289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348286229) 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 in 3 ways as a sum of consecutive naturals, for example, 13395614 + ... + 13395639.

It is an arithmetic number, because the mean of its divisors is an integer number (93769389).

Almost surely, 2^348286289 is an apocalyptic number.

It is an amenable number.

348286289 is a deficient number, since it is larger than the sum of its proper divisors (26791267).

348286289 is a wasteful number, since it uses less digits than its factorization.

348286289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26791266.

The product of its digits is 1327104, while the sum is 50.

The square root of 348286289 is about 18662.4298793056. The cubic root of 348286289 is about 703.5777971926.

The spelling of 348286289 in words is "three hundred forty-eight million, two hundred eighty-six thousand, two hundred eighty-nine".