843340834 has 16 divisors (see below), whose sum is σ = 1476488448. Its totient is φ = 353741472.

The previous prime is 843340829. The next prime is 843340837. The reversal of 843340834 is 438043348.

It is a happy number.

It is a super-2 number, since 2×843340834² = 1422447524583631112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 843340793 and 843340802.

It is not an unprimeable number, because it can be changed into a prime (843340837) 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 7 ways as a sum of consecutive naturals, for example, 640179 + ... + 641494.

It is an arithmetic number, because the mean of its divisors is an integer number (92280528).

Almost surely, 2^843340834 is an apocalyptic number.

843340834 is a deficient number, since it is larger than the sum of its proper divisors (633147614).

843340834 is a wasteful number, since it uses less digits than its factorization.

843340834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281729.

The product of its (nonzero) digits is 110592, while the sum is 37.

The square root of 843340834 is about 29040.3311620236. The cubic root of 843340834 is about 944.7880169886.

The spelling of 843340834 in words is "eight hundred forty-three million, three hundred forty thousand, eight hundred thirty-four".