999505316 has 6 divisors (see below), whose sum is σ = 1749134310. Its totient is φ = 499752656.

The previous prime is 999505303. The next prime is 999505321. The reversal of 999505316 is 613505999.

It can be written as a sum of positive squares in only one way, i.e., 611572900 + 387932416 = 24730^2 + 19696^2 .

It is an unprimeable number.

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, 124938161 + ... + 124938168.

It is an arithmetic number, because the mean of its divisors is an integer number (291522385).

Almost surely, 2^999505316 is an apocalyptic number.

It is an amenable number.

999505316 is a deficient number, since it is larger than the sum of its proper divisors (749628994).

999505316 is a wasteful number, since it uses less digits than its factorization.

999505316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249876333 (or 249876331 counting only the distinct ones).

The product of its (nonzero) digits is 328050, while the sum is 47.

The square root of 999505316 is about 31614.9539933241. The cubic root of 999505316 is about 999.8350781356.

The spelling of 999505316 in words is "nine hundred ninety-nine million, five hundred five thousand, three hundred sixteen".