343994 has 8 divisors (see below), whose sum is σ = 589728. Its totient is φ = 147420.

The previous prime is 343963. The next prime is 343997. The reversal of 343994 is 499343.

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

It is a self number, because there is not a number n which added to its sum of digits gives 343994.

It is not an unprimeable number, because it can be changed into a prime (343997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12272 + ... + 12299.

It is an arithmetic number, because the mean of its divisors is an integer number (73716).

2³⁴³⁹⁹⁴ is an apocalyptic number.

343994 is a deficient number, since it is larger than the sum of its proper divisors (245734).

343994 is a wasteful number, since it uses less digits than its factorization.

343994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24580.

The product of its digits is 11664, while the sum is 32.

The square root of 343994 is about 586.5100169648. The cubic root of 343994 is about 70.0675538335.

The spelling of 343994 in words is "three hundred forty-three thousand, nine hundred ninety-four".