999318542 has 8 divisors (see below), whose sum is σ = 1547332032. Its totient is φ = 483541200.

The previous prime is 999318521. The next prime is 999318553. The reversal of 999318542 is 245813999.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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, 8058959 + ... + 8059082.

It is an arithmetic number, because the mean of its divisors is an integer number (193416504).

Almost surely, 2^999318542 is an apocalyptic number.

999318542 is a deficient number, since it is larger than the sum of its proper divisors (548013490).

999318542 is a wasteful number, since it uses less digits than its factorization.

999318542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16118074.

The product of its digits is 699840, while the sum is 50.

The square root of 999318542 is about 31611.9999683664. Note that the first 4 decimals coincide. The cubic root of 999318542 is about 999.7727957155.

The spelling of 999318542 in words is "nine hundred ninety-nine million, three hundred eighteen thousand, five hundred forty-two".