343838 has 8 divisors (see below), whose sum is σ = 562680. Its totient is φ = 156280.

The previous prime is 343831. The next prime is 343891. The reversal of 343838 is 838343.

It is a sphenic number, since it is the product of 3 distinct primes.

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

It is a self number, because there is not a number n which added to its sum of digits gives 343838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343831) by changing a digit.

343838 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7793 + ... + 7836.

It is an arithmetic number, because the mean of its divisors is an integer number (70335).

2³⁴³⁸³⁸ is an apocalyptic number.

343838 is a deficient number, since it is larger than the sum of its proper divisors (218842).

343838 is a wasteful number, since it uses less digits than its factorization.

343838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15642.

The product of its digits is 6912, while the sum is 29.

The square root of 343838 is about 586.3770118277. The cubic root of 343838 is about 70.0569604403.

The spelling of 343838 in words is "three hundred forty-three thousand, eight hundred thirty-eight".