349626943 has 2 divisors, whose sum is σ = 349626944. Its totient is φ = 349626942.

The previous prime is 349626919. The next prime is 349627007.

349626943 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 349626943 - 2¹⁷ = 349495871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 349626893 and 349626902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349624943) 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, 174813471 + 174813472.

It is an arithmetic number, because the mean of its divisors is an integer number (174813472).

Almost surely, 2^349626943 is an apocalyptic number.

349626943 is a deficient number, since it is larger than the sum of its proper divisors (1).

349626943 is an equidigital number, since it uses as much as digits as its factorization.

349626943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 46.

The square root of 349626943 is about 18698.3139079437. The cubic root of 349626943 is about 704.4793990393.

It can be divided in two parts, 34962 and 6943, that added together give a triangular number (41905 = T₂₈₉).

The spelling of 349626943 in words is "three hundred forty-nine million, six hundred twenty-six thousand, nine hundred forty-three".