999479204 has 6 divisors (see below), whose sum is σ = 1749088614. Its totient is φ = 499739600.

The previous prime is 999479177. The next prime is 999479219. The reversal of 999479204 is 402974999.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 957902500 + 41576704 = 30950^2 + 6448^2 .

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, 124934897 + ... + 124934904.

It is an arithmetic number, because the mean of its divisors is an integer number (291514769).

Almost surely, 2^999479204 is an apocalyptic number.

It is an amenable number.

999479204 is a deficient number, since it is larger than the sum of its proper divisors (749609410).

999479204 is a wasteful number, since it uses less digits than its factorization.

999479204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249869805 (or 249869803 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 53.

The square root of 999479204 is about 31614.5410214983. The cubic root of 999479204 is about 999.8263711881.

It can be divided in two parts, 9994 and 79204, that added together give a palindrome (89198).

The spelling of 999479204 in words is "nine hundred ninety-nine million, four hundred seventy-nine thousand, two hundred four".