9988353 has 20 divisors (see below), whose sum is σ = 15006420. Its totient is φ = 6620832.

The previous prime is 9988339. The next prime is 9988361. The reversal of 9988353 is 3538899.

It can be written as a sum of positive squares in 2 ways, for example, as 1327104 + 8661249 = 1152^2 + 2943^2 .

It is not a de Polignac number, because 9988353 - 2⁹ = 9987841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9988299 and 9988308.

It is not an unprimeable number, because it can be changed into a prime (9988313) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25483 + ... + 25871.

It is an arithmetic number, because the mean of its divisors is an integer number (750321).

Almost surely, 2^9988353 is an apocalyptic number.

It is an amenable number.

9988353 is a deficient number, since it is larger than the sum of its proper divisors (5018067).

9988353 is a wasteful number, since it uses less digits than its factorization.

9988353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718 (or 709 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 9988353 is about 3160.4355712465. The cubic root of 9988353 is about 215.3597941733.

The spelling of 9988353 in words is "nine million, nine hundred eighty-eight thousand, three hundred fifty-three".