9988953 has 16 divisors (see below), whose sum is σ = 14695296. Its totient is φ = 5996160.

The previous prime is 9988949. The next prime is 9988973. The reversal of 9988953 is 3598899.

9988953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9988953 - 2² = 9988949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9988896 and 9988905.

It is not an unprimeable number, because it can be changed into a prime (9988973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1525 + ... + 4722.

It is an arithmetic number, because the mean of its divisors is an integer number (918456).

Almost surely, 2^9988953 is an apocalyptic number.

It is an amenable number.

9988953 is a deficient number, since it is larger than the sum of its proper divisors (4706343).

9988953 is a wasteful number, since it uses less digits than its factorization.

9988953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6304.

The product of its digits is 699840, while the sum is 51.

The square root of 9988953 is about 3160.5304934457. The cubic root of 9988953 is about 215.3641063053.

The spelling of 9988953 in words is "nine million, nine hundred eighty-eight thousand, nine hundred fifty-three".