999948318 has 8 divisors (see below), whose sum is σ = 1999896648. Its totient is φ = 333316104.

The previous prime is 999948317. The next prime is 999948319. The reversal of 999948318 is 813849999.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (999948317) and next prime (999948319).

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

999948318 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999948317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83329021 + ... + 83329032.

It is an arithmetic number, because the mean of its divisors is an integer number (249987081).

Almost surely, 2^999948318 is an apocalyptic number.

999948318 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999948318 is a wasteful number, since it uses less digits than its factorization.

999948318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166658058.

The product of its digits is 5038848, while the sum is 60.

The square root of 999948318 is about 31621.9594269552. The cubic root of 999948318 is about 999.9827723699.

The spelling of 999948318 in words is "nine hundred ninety-nine million, nine hundred forty-eight thousand, three hundred eighteen".