943434943 has 12 divisors (see below), whose sum is σ = 1046704680. Its totient is φ = 849640880.

The previous prime is 943434893. The next prime is 943434971. The reversal of 943434943 is 349434349.

It is not a de Polignac number, because 943434943 - 2²¹ = 941337791 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 943434943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (943434043) 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, 23488 + ... + 49381.

It is an arithmetic number, because the mean of its divisors is an integer number (87225390).

Almost surely, 2^943434943 is an apocalyptic number.

943434943 is a deficient number, since it is larger than the sum of its proper divisors (103269737).

943434943 is a wasteful number, since it uses less digits than its factorization.

943434943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72998 (or 72987 counting only the distinct ones).

The product of its digits is 559872, while the sum is 43.

The square root of 943434943 is about 30715.3860955711. The cubic root of 943434943 is about 980.7778577139. Note that the first 3 decimals are identical.

The spelling of 943434943 in words is "nine hundred forty-three million, four hundred thirty-four thousand, nine hundred forty-three".