19834343 has 2 divisors, whose sum is σ = 19834344. Its totient is φ = 19834342.

The previous prime is 19834337. The next prime is 19834357. The reversal of 19834343 is 34343891.

It is a weak prime.

It is an emirp because it is prime and its reverse (34343891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19834343 - 2¹² = 19830247 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19834313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9917171 + 9917172.

It is an arithmetic number, because the mean of its divisors is an integer number (9917172).

Almost surely, 2^19834343 is an apocalyptic number.

19834343 is a deficient number, since it is larger than the sum of its proper divisors (1).

19834343 is an equidigital number, since it uses as much as digits as its factorization.

19834343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 35.

The square root of 19834343 is about 4453.5764279958. The cubic root of 19834343 is about 270.6902457949.

The spelling of 19834343 in words is "nineteen million, eight hundred thirty-four thousand, three hundred forty-three".