343450 has 12 divisors (see below), whose sum is σ = 638910. Its totient is φ = 137360.

The previous prime is 343433. The next prime is 343481. The reversal of 343450 is 54343.

It can be written as a sum of positive squares in 3 ways, for example, as 143641 + 199809 = 379^2 + 447^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 3385 + ... + 3484.

2³⁴³⁴⁵⁰ is an apocalyptic number.

343450 is a deficient number, since it is larger than the sum of its proper divisors (295460).

343450 is a wasteful number, since it uses less digits than its factorization.

343450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6881 (or 6876 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 343450 is about 586.0460732741. The cubic root of 343450 is about 70.0305988674.

Adding to 343450 its reverse (54343), we get a palindrome (397793).

The spelling of 343450 in words is "three hundred forty-three thousand, four hundred fifty".