843284349 has 12 divisors (see below), whose sum is σ = 1219046400. Its totient is φ = 561742344.

The previous prime is 843284347. The next prime is 843284363. The reversal of 843284349 is 943482348.

It is not a de Polignac number, because 843284349 - 2¹ = 843284347 is a prime.

It is a super-2 number, since 2×843284349² = 1422256986536707602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (843284347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25119 + ... + 48140.

It is an arithmetic number, because the mean of its divisors is an integer number (101587200).

Almost surely, 2^843284349 is an apocalyptic number.

It is an amenable number.

843284349 is a deficient number, since it is larger than the sum of its proper divisors (375762051).

843284349 is a wasteful number, since it uses less digits than its factorization.

843284349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74544 (or 74541 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 843284349 is about 29039.3586189502. The cubic root of 843284349 is about 944.7669232858.

The spelling of 843284349 in words is "eight hundred forty-three million, two hundred eighty-four thousand, three hundred forty-nine".