343346 has 4 divisors (see below), whose sum is σ = 515022. Its totient is φ = 171672.

The previous prime is 343337. The next prime is 343373. The reversal of 343346 is 643343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 643343 = 31 ⋅20753.

It can be written as a sum of positive squares in only one way, i.e., 286225 + 57121 = 535^2 + 239^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85835 + ... + 85838.

2³⁴³³⁴⁶ is an apocalyptic number.

343346 is a deficient number, since it is larger than the sum of its proper divisors (171676).

343346 is a wasteful number, since it uses less digits than its factorization.

343346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171675.

The product of its digits is 2592, while the sum is 23.

The square root of 343346 is about 585.9573363309. The cubic root of 343346 is about 70.0235295050.

Adding to 343346 its reverse (643343), we get a palindrome (986689).

The spelling of 343346 in words is "three hundred forty-three thousand, three hundred forty-six".