349808943 has 48 divisors (see below), whose sum is σ = 548428160. Its totient is φ = 197588160.

The previous prime is 349808917. The next prime is 349808951.

349808943 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 349808943 - 2¹⁰ = 349807919 is a prime.

349808943 is a modest number, since divided by 8943 gives 3498 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 349808892 and 349808901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349808903) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 461721 + ... + 462477.

Almost surely, 2^349808943 is an apocalyptic number.

349808943 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

349808943 is a deficient number, since it is larger than the sum of its proper divisors (198619217).

349808943 is a wasteful number, since it uses less digits than its factorization.

349808943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868 (or 857 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 349808943 is about 18703.1800237286. The cubic root of 349808943 is about 704.6016178899.

The spelling of 349808943 in words is "three hundred forty-nine million, eight hundred eight thousand, nine hundred forty-three".