343493 has 4 divisors (see below), whose sum is σ = 350028. Its totient is φ = 336960.

The previous prime is 343489. The next prime is 343517. The reversal of 343493 is 394343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 394343 = 139 ⋅2837.

It can be written as a sum of positive squares in 2 ways, for example, as 293764 + 49729 = 542^2 + 223^2 .

It is a cyclic number.

It is not a de Polignac number, because 343493 - 2² = 343489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343423) 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, 3188 + ... + 3293.

It is an arithmetic number, because the mean of its divisors is an integer number (87507).

2³⁴³⁴⁹³ is an apocalyptic number.

It is an amenable number.

343493 is a deficient number, since it is larger than the sum of its proper divisors (6535).

343493 is an equidigital number, since it uses as much as digits as its factorization.

343493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6534.

The product of its digits is 3888, while the sum is 26.

The square root of 343493 is about 586.0827586613. The cubic root of 343493 is about 70.0335213598.

The spelling of 343493 in words is "three hundred forty-three thousand, four hundred ninety-three".