999968342 has 4 divisors (see below), whose sum is σ = 1499952516.
Its totient is φ = 499984170.
The previous prime is 999968341. The next prime is 999968399. The reversal of 999968342 is 243869999.
It is a semiprime because it is the product of two primes.
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 pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249992084 + ... + 249992087.
It is an arithmetic number, because the mean of its divisors is an integer number (374988129).
Almost surely, 2999968342 is an apocalyptic number.
999968342 is a deficient number, since it is larger than the sum of its proper divisors (499984174).
999968342 is a wasteful number, since it uses less digits than its factorization.
999968342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 499984173.
The product of its digits is 7558272, while the sum is 59.
The square root of 999968342 is about 31622.2760407912.
The cubic root of 999968342 is about 999.9894472220.
The spelling of 999968342 in words is "nine hundred ninety-nine million, nine hundred sixty-eight thousand, three hundred forty-two".