349318193 has 8 divisors (see below), whose sum is σ = 422704512. Its totient is φ = 281802816.

The previous prime is 349318121. The next prime is 349318201. The reversal of 349318193 is 391813943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 349318193 - 2²⁶ = 282209329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 349318193.

It is not an unprimeable number, because it can be changed into a prime (349318103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1467605 + ... + 1467842.

It is an arithmetic number, because the mean of its divisors is an integer number (52838064).

Almost surely, 2^349318193 is an apocalyptic number.

It is an amenable number.

349318193 is a deficient number, since it is larger than the sum of its proper divisors (73386319).

349318193 is a wasteful number, since it uses less digits than its factorization.

349318193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2935471.

The product of its digits is 69984, while the sum is 41.

The square root of 349318193 is about 18690.0559924255. The cubic root of 349318193 is about 704.2719664446.

The spelling of 349318193 in words is "three hundred forty-nine million, three hundred eighteen thousand, one hundred ninety-three".