343975 has 6 divisors (see below), whose sum is σ = 426560. Its totient is φ = 275160.

The previous prime is 343963. The next prime is 343997. The reversal of 343975 is 579343.

It is not a de Polignac number, because 343975 - 2⁵ = 343943 is a prime.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 6855 + ... + 6904.

2³⁴³⁹⁷⁵ is an apocalyptic number.

343975 is a deficient number, since it is larger than the sum of its proper divisors (82585).

343975 is a wasteful number, since it uses less digits than its factorization.

343975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13769 (or 13764 counting only the distinct ones).

The product of its digits is 11340, while the sum is 31.

The square root of 343975 is about 586.4938192343. The cubic root of 343975 is about 70.0662637838.

The spelling of 343975 in words is "three hundred forty-three thousand, nine hundred seventy-five".