348829991 has 2 divisors, whose sum is σ = 348829992. Its totient is φ = 348829990.

The previous prime is 348829963. The next prime is 348830023. The reversal of 348829991 is 199928843.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-348829991 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (348829931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174414995 + 174414996.

It is an arithmetic number, because the mean of its divisors is an integer number (174414996).

Almost surely, 2^348829991 is an apocalyptic number.

348829991 is a deficient number, since it is larger than the sum of its proper divisors (1).

348829991 is an equidigital number, since it uses as much as digits as its factorization.

348829991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 53.

The square root of 348829991 is about 18676.9909514354. The cubic root of 348829991 is about 703.9437200780.

The spelling of 348829991 in words is "three hundred forty-eight million, eight hundred twenty-nine thousand, nine hundred ninety-one".