9909343 has 4 divisors (see below), whose sum is σ = 10340208. Its totient is φ = 9478480.

The previous prime is 9909337. The next prime is 9909353. The reversal of 9909343 is 3439099.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9909343 - 2²¹ = 7812191 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 (9909313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215398 + ... + 215443.

It is an arithmetic number, because the mean of its divisors is an integer number (2585052).

Almost surely, 2^9909343 is an apocalyptic number.

9909343 is a deficient number, since it is larger than the sum of its proper divisors (430865).

9909343 is a wasteful number, since it uses less digits than its factorization.

9909343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430864.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 9909343 is about 3147.9108945458. The cubic root of 9909343 is about 214.7904430113.

The spelling of 9909343 in words is "nine million, nine hundred nine thousand, three hundred forty-three".