349817 has 8 divisors (see below), whose sum is σ = 383040. Its totient is φ = 317520.

The previous prime is 349813. The next prime is 349819. The reversal of 349817 is 718943.

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 349817 - 2² = 349813 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 349817.

It is not an unprimeable number, because it can be changed into a prime (349813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734 + ... + 1112.

It is an arithmetic number, because the mean of its divisors is an integer number (47880).

2³⁴⁹⁸¹⁷ is an apocalyptic number.

It is an amenable number.

349817 is a deficient number, since it is larger than the sum of its proper divisors (33223).

349817 is a wasteful number, since it uses less digits than its factorization.

349817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463.

The product of its digits is 6048, while the sum is 32.

The square root of 349817 is about 591.4532948594. The cubic root of 349817 is about 70.4607027444.

The spelling of 349817 in words is "three hundred forty-nine thousand, eight hundred seventeen".