349303943 has 2 divisors, whose sum is σ = 349303944. Its totient is φ = 349303942.

The previous prime is 349303919. The next prime is 349303957.

It is a happy number.

349303943 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349303943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 349303897 and 349303906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349303043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174651971 + 174651972.

It is an arithmetic number, because the mean of its divisors is an integer number (174651972).

Almost surely, 2^349303943 is an apocalyptic number.

349303943 is a deficient number, since it is larger than the sum of its proper divisors (1).

349303943 is an equidigital number, since it uses as much as digits as its factorization.

349303943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 38.

The square root of 349303943 is about 18689.6747697760. The cubic root of 349303943 is about 704.2623896822.

The spelling of 349303943 in words is "three hundred forty-nine million, three hundred three thousand, nine hundred forty-three".