343361 has 4 divisors (see below), whose sum is σ = 344772. Its totient is φ = 341952.

The previous prime is 343337. The next prime is 343373. The reversal of 343361 is 163343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 163343 = 19 ⋅8597.

It can be written as a sum of positive squares in 2 ways, for example, as 34225 + 309136 = 185^2 + 556^2 .

It is a cyclic number.

It is not a de Polignac number, because 343361 - 2¹⁰ = 342337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (343381) 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, 236 + ... + 861.

It is an arithmetic number, because the mean of its divisors is an integer number (86193).

2³⁴³³⁶¹ is an apocalyptic number.

It is an amenable number.

343361 is a deficient number, since it is larger than the sum of its proper divisors (1411).

343361 is a wasteful number, since it uses less digits than its factorization.

343361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410.

The product of its digits is 648, while the sum is 20.

The square root of 343361 is about 585.9701357578. The cubic root of 343361 is about 70.0245492126.

The spelling of 343361 in words is "three hundred forty-three thousand, three hundred sixty-one".