349342943 has 2 divisors, whose sum is σ = 349342944. Its totient is φ = 349342942.

The previous prime is 349342921. The next prime is 349342967. The reversal of 349342943 is 349243943.

It is a weak prime.

It is an emirp because it is prime and its reverse (349243943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 349342943 - 2¹⁴ = 349326559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 349342943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349342993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174671471 + 174671472.

It is an arithmetic number, because the mean of its divisors is an integer number (174671472).

Almost surely, 2^349342943 is an apocalyptic number.

349342943 is a deficient number, since it is larger than the sum of its proper divisors (1).

349342943 is an equidigital number, since it uses as much as digits as its factorization.

349342943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 41.

The square root of 349342943 is about 18690.7180974943. The cubic root of 349342943 is about 704.2885991497.

The spelling of 349342943 in words is "three hundred forty-nine million, three hundred forty-two thousand, nine hundred forty-three".