999486568 has 16 divisors (see below), whose sum is σ = 1874386980. Its totient is φ = 499650048.

The previous prime is 999486557. The next prime is 999486569. The reversal of 999486568 is 865684999.

It can be written as a sum of positive squares in 2 ways, for example, as 997170084 + 2316484 = 31578^2 + 1522^2 .

It is a super-2 number, since 2×999486568² = 1997946799224837248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (999486569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59346 + ... + 74302.

Almost surely, 2^999486568 is an apocalyptic number.

It is an amenable number.

999486568 is a deficient number, since it is larger than the sum of its proper divisors (874900412).

999486568 is a wasteful number, since it uses less digits than its factorization.

999486568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23316 (or 23312 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 64.

The square root of 999486568 is about 31614.6574866785. The cubic root of 999486568 is about 999.8288267014.

The spelling of 999486568 in words is "nine hundred ninety-nine million, four hundred eighty-six thousand, five hundred sixty-eight".