999947676 has 48 divisors (see below), whose sum is σ = 2871647744. Its totient is φ = 263722176.

The previous prime is 999947659. The next prime is 999947723. The reversal of 999947676 is 676749999.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456760 + ... + 458943.

Almost surely, 2^999947676 is an apocalyptic number.

It is an amenable number.

999947676 is an abundant number, since it is smaller than the sum of its proper divisors (1871700068).

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

999947676 is a wasteful number, since it uses less digits than its factorization.

999947676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915730 (or 915728 counting only the distinct ones).

The product of its digits is 46294416, while the sum is 66.

The square root of 999947676 is about 31621.9492757799. The cubic root of 999947676 is about 999.9825583625.

It can be divided in two parts, 9999 and 47676, that added together give a palindrome (57675).

The spelling of 999947676 in words is "nine hundred ninety-nine million, nine hundred forty-seven thousand, six hundred seventy-six".