343121834 has 16 divisors (see below), whose sum is σ = 568239840. Its totient is φ = 154084560.

The previous prime is 343121833. The next prime is 343121851. The reversal of 343121834 is 438121343.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 343121797 and 343121806.

It is not an unprimeable number, because it can be changed into a prime (343121833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92129 + ... + 95780.

It is an arithmetic number, because the mean of its divisors is an integer number (35514990).

Almost surely, 2^343121834 is an apocalyptic number.

343121834 is a deficient number, since it is larger than the sum of its proper divisors (225118006).

343121834 is a wasteful number, since it uses less digits than its factorization.

343121834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188005.

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

The square root of 343121834 is about 18523.5480942502. The cubic root of 343121834 is about 700.0828704610.

The spelling of 343121834 in words is "three hundred forty-three million, one hundred twenty-one thousand, eight hundred thirty-four".