349361843 has 4 divisors (see below), whose sum is σ = 349468320. Its totient is φ = 349255368.

The previous prime is 349361839. The next prime is 349361891. The reversal of 349361843 is 348163943.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 349361843 - 2² = 349361839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 349361843.

It is not an unprimeable number, because it can be changed into a prime (349361143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48155 + ... + 54932.

It is an arithmetic number, because the mean of its divisors is an integer number (87367080).

Almost surely, 2^349361843 is an apocalyptic number.

349361843 is a deficient number, since it is larger than the sum of its proper divisors (106477).

349361843 is a wasteful number, since it uses less digits than its factorization.

349361843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106476.

The product of its digits is 186624, while the sum is 41.

The square root of 349361843 is about 18691.2236892077. The cubic root of 349361843 is about 704.3012999592.

The spelling of 349361843 in words is "three hundred forty-nine million, three hundred sixty-one thousand, eight hundred forty-three".