843707349 has 12 divisors (see below), whose sum is σ = 1236878656. Its totient is φ = 554076072.

The previous prime is 843707339. The next prime is 843707357. The reversal of 843707349 is 943707348.

It is a happy number.

It is not a de Polignac number, because 843707349 - 2⁵ = 843707317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (843707309) 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 11 ways as a sum of consecutive naturals, for example, 698989 + ... + 700194.

Almost surely, 2^843707349 is an apocalyptic number.

It is an amenable number.

843707349 is a deficient number, since it is larger than the sum of its proper divisors (393171307).

843707349 is a wasteful number, since it uses less digits than its factorization.

843707349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399256 (or 1399253 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 843707349 is about 29046.6409245544. The cubic root of 843707349 is about 944.9248651106.

Subtracting 843707349 from its reverse (943707348), we obtain a palindrome (99999999).

It can be divided in two parts, 84370 and 7349, that added together give a palindrome (91719).

The spelling of 843707349 in words is "eight hundred forty-three million, seven hundred seven thousand, three hundred forty-nine".