9988463 has 6 divisors (see below), whose sum is σ = 10438584. Its totient is φ = 9539684.

The previous prime is 9988453. The next prime is 9988481. The reversal of 9988463 is 3648899.

It is not a de Polignac number, because 9988463 - 2⁶ = 9988399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9988403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14828 + ... + 15486.

It is an arithmetic number, because the mean of its divisors is an integer number (1739764).

Almost surely, 2^9988463 is an apocalyptic number.

9988463 is a deficient number, since it is larger than the sum of its proper divisors (450121).

9988463 is an frugal number, since it uses more digits than its factorization.

9988463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341 (or 682 counting only the distinct ones).

The product of its digits is 373248, while the sum is 47.

The square root of 9988463 is about 3160.4529738631. The cubic root of 9988463 is about 215.3605847438.

The spelling of 9988463 in words is "nine million, nine hundred eighty-eight thousand, four hundred sixty-three".