349843 has 8 divisors (see below), whose sum is σ = 399168. Its totient is φ = 303744.

The previous prime is 349841. The next prime is 349849. The reversal of 349843 is 348943.

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 349843 - 2¹ = 349841 is a prime.

It is a Duffinian number.

349843 is a lucky number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (349841) 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, 571 + ... + 1012.

It is an arithmetic number, because the mean of its divisors is an integer number (49896).

2³⁴⁹⁸⁴³ is an apocalyptic number.

349843 is a deficient number, since it is larger than the sum of its proper divisors (49325).

349843 is a wasteful number, since it uses less digits than its factorization.

349843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613.

The product of its digits is 10368, while the sum is 31.

The square root of 349843 is about 591.4752742085. The cubic root of 349843 is about 70.4624483551.

Subtracting from 349843 its reverse (348943), we obtain a square (900 = 30²).

The spelling of 349843 in words is "three hundred forty-nine thousand, eight hundred forty-three".