9999343 has 4 divisors (see below), whose sum is σ = 10096528. Its totient is φ = 9902160.

The previous prime is 9999337. The next prime is 9999347. The reversal of 9999343 is 3439999.

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 9999343 - 2¹³ = 9991151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9999293 and 9999302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9999347) 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, 48438 + ... + 48643.

It is an arithmetic number, because the mean of its divisors is an integer number (2524132).

Almost surely, 2^9999343 is an apocalyptic number.

9999343 is a deficient number, since it is larger than the sum of its proper divisors (97185).

9999343 is a wasteful number, since it uses less digits than its factorization.

9999343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97184.

The product of its digits is 236196, while the sum is 46.

The square root of 9999343 is about 3162.1737776409. The cubic root of 9999343 is about 215.4387506879.

The spelling of 9999343 in words is "nine million, nine hundred ninety-nine thousand, three hundred forty-three".