9992768 has 28 divisors (see below), whose sum is σ = 19956780. Its totient is φ = 4964352.

The previous prime is 9992761. The next prime is 9992777. The reversal of 9992768 is 8672999.

It can be written as a sum of positive squares in 2 ways, for example, as 5798464 + 4194304 = 2408^2 + 2048^2 .

It is not an unprimeable number, because it can be changed into a prime (9992761) 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, 11948 + ... + 12756.

Almost surely, 2^9992768 is an apocalyptic number.

It is an amenable number.

9992768 is a deficient number, since it is larger than the sum of its proper divisors (9964012).

9992768 is a wasteful number, since it uses less digits than its factorization.

9992768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014 (or 1004 counting only the distinct ones).

The product of its digits is 489888, while the sum is 50.

The square root of 9992768 is about 3161.1339737506. The cubic root of 9992768 is about 215.3915202391.

The spelling of 9992768 in words is "nine million, nine hundred ninety-two thousand, seven hundred sixty-eight".