943434993 has 8 divisors (see below), whose sum is σ = 1260320608. Its totient is φ = 627753024.

The previous prime is 943434979. The next prime is 943435027. The reversal of 943434993 is 399434349.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 943434993 - 2¹³ = 943426801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (943434593) 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, 299080 + ... + 302217.

It is an arithmetic number, because the mean of its divisors is an integer number (157540076).

Almost surely, 2^943434993 is an apocalyptic number.

It is an amenable number.

943434993 is a deficient number, since it is larger than the sum of its proper divisors (316885615).

943434993 is a wasteful number, since it uses less digits than its factorization.

943434993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601823.

The product of its digits is 1259712, while the sum is 48.

The square root of 943434993 is about 30715.3869094954. The cubic root of 943434993 is about 980.7778750402. Note that the first 3 decimals are identical.

The spelling of 943434993 in words is "nine hundred forty-three million, four hundred thirty-four thousand, nine hundred ninety-three".