9989485 has 16 divisors (see below), whose sum is σ = 13530240. Its totient is φ = 7013440.

The previous prime is 9989477. The next prime is 9989503. The reversal of 9989485 is 5849899.

It is not a de Polignac number, because 9989485 - 2³ = 9989477 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1537 + ... + 4726.

It is an arithmetic number, because the mean of its divisors is an integer number (845640).

Almost surely, 2^9989485 is an apocalyptic number.

It is an amenable number.

9989485 is a deficient number, since it is larger than the sum of its proper divisors (3540755).

9989485 is a wasteful number, since it uses less digits than its factorization.

9989485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6308.

The product of its digits is 933120, while the sum is 52.

The square root of 9989485 is about 3160.6146554112. The cubic root of 9989485 is about 215.3679295845.

The spelling of 9989485 in words is "nine million, nine hundred eighty-nine thousand, four hundred eighty-five".