348390641 has 2 divisors, whose sum is σ = 348390642. Its totient is φ = 348390640.

The previous prime is 348390611. The next prime is 348390667. The reversal of 348390641 is 146093843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220225600 + 128165041 = 14840^2 + 11321^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-348390641 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 348390595 and 348390604.

It is not a weakly prime, because it can be changed into another prime (348390611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174195320 + 174195321.

It is an arithmetic number, because the mean of its divisors is an integer number (174195321).

Almost surely, 2^348390641 is an apocalyptic number.

It is an amenable number.

348390641 is a deficient number, since it is larger than the sum of its proper divisors (1).

348390641 is an equidigital number, since it uses as much as digits as its factorization.

348390641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 348390641 is about 18665.2254473392. The cubic root of 348390641 is about 703.6480578003.

The spelling of 348390641 in words is "three hundred forty-eight million, three hundred ninety thousand, six hundred forty-one".