999504317 has 8 divisors (see below), whose sum is σ = 1148673600. Its totient is φ = 851930784.

The previous prime is 999504313. The next prime is 999504349. The reversal of 999504317 is 713405999.

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 999504317 - 2² = 999504313 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 (999504313) 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, 397592 + ... + 400097.

It is an arithmetic number, because the mean of its divisors is an integer number (143584200).

Almost surely, 2^999504317 is an apocalyptic number.

It is an amenable number.

999504317 is a deficient number, since it is larger than the sum of its proper divisors (149169283).

999504317 is a wasteful number, since it uses less digits than its factorization.

999504317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797875.

The product of its (nonzero) digits is 306180, while the sum is 47.

The square root of 999504317 is about 31614.9381938349. The cubic root of 999504317 is about 999.8347450256.

The spelling of 999504317 in words is "nine hundred ninety-nine million, five hundred four thousand, three hundred seventeen".