9992748 has 12 divisors (see below), whose sum is σ = 23316440. Its totient is φ = 3330912.

The previous prime is 9992743. The next prime is 9992761. The reversal of 9992748 is 8472999.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a d-powerful number, because it can be written as 9 + 9 + 9³ + 2⁷ + 7⁸ + 4¹¹ + 8⁵ .

It is a junction number, because it is equal to n+sod(n) for n = 9992697 and 9992706.

It is not an unprimeable number, because it can be changed into a prime (9992743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416353 + ... + 416376.

Almost surely, 2^9992748 is an apocalyptic number.

It is an amenable number.

9992748 is an abundant number, since it is smaller than the sum of its proper divisors (13323692).

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

9992748 is a wasteful number, since it uses less digits than its factorization.

9992748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832736 (or 832734 counting only the distinct ones).

The product of its digits is 326592, while the sum is 48.

The square root of 9992748 is about 3161.1308103272. The cubic root of 9992748 is about 215.3913765408.

The spelling of 9992748 in words is "nine million, nine hundred ninety-two thousand, seven hundred forty-eight".