999856048 has 10 divisors (see below), whose sum is σ = 1937221124. Its totient is φ = 499928016.

The previous prime is 999856031. The next prime is 999856049. The reversal of 999856048 is 840658999.

It is a junction number, because it is equal to n+sod(n) for n = 999855983 and 999856001.

It is not an unprimeable number, because it can be changed into a prime (999856049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31245486 + ... + 31245517.

Almost surely, 2^999856048 is an apocalyptic number.

It is an amenable number.

999856048 is a deficient number, since it is larger than the sum of its proper divisors (937365076).

999856048 is a wasteful number, since it uses less digits than its factorization.

999856048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62491011 (or 62491005 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 58.

The square root of 999856048 is about 31620.5004387976. The cubic root of 999856048 is about 999.9520136974.

The spelling of 999856048 in words is "nine hundred ninety-nine million, eight hundred fifty-six thousand, forty-eight".