343946 has 8 divisors (see below), whose sum is σ = 527040. Its totient is φ = 168268.

The previous prime is 343943. The next prime is 343951. The reversal of 343946 is 649343.

It is a happy number.

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

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 343946.

It is not an unprimeable number, because it can be changed into a prime (343943) 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 3 ways as a sum of consecutive naturals, for example, 1736 + ... + 1923.

It is an arithmetic number, because the mean of its divisors is an integer number (65880).

2³⁴³⁹⁴⁶ is an apocalyptic number.

343946 is a deficient number, since it is larger than the sum of its proper divisors (183094).

343946 is a wasteful number, since it uses less digits than its factorization.

343946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3708.

The product of its digits is 7776, while the sum is 29.

The square root of 343946 is about 586.4690955200. The cubic root of 343946 is about 70.0642946691.

The spelling of 343946 in words is "three hundred forty-three thousand, nine hundred forty-six".