348444881 has 2 divisors, whose sum is σ = 348444882. Its totient is φ = 348444880.

The previous prime is 348444853. The next prime is 348444907. The reversal of 348444881 is 188444843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 286963600 + 61481281 = 16940^2 + 7841^2 .

It is a cyclic number.

It is not a de Polignac number, because 348444881 - 2¹⁰ = 348443857 is a prime.

It is a super-2 number, since 2×348444881² = 242827670190208322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (348440881) 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, 174222440 + 174222441.

It is an arithmetic number, because the mean of its divisors is an integer number (174222441).

Almost surely, 2^348444881 is an apocalyptic number.

It is an amenable number.

348444881 is a deficient number, since it is larger than the sum of its proper divisors (1).

348444881 is an equidigital number, since it uses as much as digits as its factorization.

348444881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 393216, while the sum is 44.

The square root of 348444881 is about 18666.6783601154. The cubic root of 348444881 is about 703.6845722620.

The spelling of 348444881 in words is "three hundred forty-eight million, four hundred forty-four thousand, eight hundred eighty-one".