999469999 has 8 divisors (see below), whose sum is σ = 1093477248. Its totient is φ = 905987160.

The previous prime is 999469973. The next prime is 999470009. The reversal of 999469999 is 999964999.

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

It is a cyclic number.

It is not a de Polignac number, because 999469999 - 2¹¹ = 999467951 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 (999499999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127107 + ... + 134740.

It is an arithmetic number, because the mean of its divisors is an integer number (136684656).

Almost surely, 2^999469999 is an apocalyptic number.

999469999 is a deficient number, since it is larger than the sum of its proper divisors (94007249).

999469999 is a wasteful number, since it uses less digits than its factorization.

999469999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262205.

The product of its digits is 114791256, while the sum is 73.

The square root of 999469999 is about 31614.3954394197. The cubic root of 999469999 is about 999.8233017796.

The spelling of 999469999 in words is "nine hundred ninety-nine million, four hundred sixty-nine thousand, nine hundred ninety-nine".