348646939 has 2 divisors, whose sum is σ = 348646940. Its totient is φ = 348646938.

The previous prime is 348646933. The next prime is 348646943. The reversal of 348646939 is 939646843.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 348646939 - 2¹⁵ = 348614171 is a prime.

It is not a weakly prime, because it can be changed into another prime (348646933) 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, 174323469 + 174323470.

It is an arithmetic number, because the mean of its divisors is an integer number (174323470).

Almost surely, 2^348646939 is an apocalyptic number.

348646939 is a deficient number, since it is larger than the sum of its proper divisors (1).

348646939 is an equidigital number, since it uses as much as digits as its factorization.

348646939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3359232, while the sum is 52.

The square root of 348646939 is about 18672.0898401866. The cubic root of 348646939 is about 703.8205647152.

The spelling of 348646939 in words is "three hundred forty-eight million, six hundred forty-six thousand, nine hundred thirty-nine".