343834 has 4 divisors (see below), whose sum is σ = 515754. Its totient is φ = 171916.

The previous prime is 343831. The next prime is 343891. The reversal of 343834 is 438343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 438343 = 97 ⋅4519.

It can be written as a sum of positive squares in only one way, i.e., 305809 + 38025 = 553^2 + 195^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 343799 and 343808.

It is not an unprimeable number, because it can be changed into a prime (343831) 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 as a sum of consecutive naturals, namely, 85957 + ... + 85960.

2³⁴³⁸³⁴ is an apocalyptic number.

343834 is a deficient number, since it is larger than the sum of its proper divisors (171920).

343834 is a wasteful number, since it uses less digits than its factorization.

343834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171919.

The product of its digits is 3456, while the sum is 25.

The square root of 343834 is about 586.3736010429. The cubic root of 343834 is about 70.0566887727.

The spelling of 343834 in words is "three hundred forty-three thousand, eight hundred thirty-four".