9988276 has 12 divisors (see below), whose sum is σ = 17506720. Its totient is φ = 4986360.

The previous prime is 9988271. The next prime is 9988283. The reversal of 9988276 is 6728899.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9988271) 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, 1705 + ... + 4783.

Almost surely, 2^9988276 is an apocalyptic number.

It is an amenable number.

9988276 is a deficient number, since it is larger than the sum of its proper divisors (7518444).

9988276 is a wasteful number, since it uses less digits than its factorization.

9988276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3894 (or 3892 counting only the distinct ones).

The product of its digits is 435456, while the sum is 49.

The square root of 9988276 is about 3160.4233893578. The cubic root of 9988276 is about 215.3592407705.

The spelling of 9988276 in words is "nine million, nine hundred eighty-eight thousand, two hundred seventy-six".