999968343 has 48 divisors (see below), whose sum is σ = 1523149056.
Its totient is φ = 578663680.
The previous prime is 999968341. The next prime is 999968399. The reversal of 999968343 is 343869999.
It is not a de Polignac number, because 999968343 - 21 = 999968341 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (999968341) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3802030 + ... + 3802292.
It is an arithmetic number, because the mean of its divisors is an integer number (31732272).
Almost surely, 2999968343 is an apocalyptic number.
999968343 is a deficient number, since it is larger than the sum of its proper divisors (523180713).
999968343 is a wasteful number, since it uses less digits than its factorization.
999968343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 472 (or 443 counting only the distinct ones).
The product of its digits is 11337408, while the sum is 60.
The square root of 999968343 is about 31622.2760566029.
The cubic root of 999968343 is about 999.9894475553.
The spelling of 999968343 in words is "nine hundred ninety-nine million, nine hundred sixty-eight thousand, three hundred forty-three".