348384889 has 2 divisors, whose sum is σ = 348384890. Its totient is φ = 348384888.

The previous prime is 348384857. The next prime is 348384901. The reversal of 348384889 is 988483843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194128489 + 154256400 = 13933^2 + 12420^2 .

It is a cyclic number.

It is not a de Polignac number, because 348384889 - 2⁵ = 348384857 is a prime.

It is not a weakly prime, because it can be changed into another prime (348382889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174192444 + 174192445.

It is an arithmetic number, because the mean of its divisors is an integer number (174192445).

Almost surely, 2^348384889 is an apocalyptic number.

It is an amenable number.

348384889 is a deficient number, since it is larger than the sum of its proper divisors (1).

348384889 is an equidigital number, since it uses as much as digits as its factorization.

348384889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5308416, while the sum is 55.

The square root of 348384889 is about 18665.0713633782. The cubic root of 348384889 is about 703.6441853217.

The spelling of 348384889 in words is "three hundred forty-eight million, three hundred eighty-four thousand, eight hundred eighty-nine".