9989375 has 20 divisors (see below), whose sum is σ = 13626888. Its totient is φ = 7260000.

The previous prime is 9989341. The next prime is 9989377. The reversal of 9989375 is 5739899.

It is not a de Polignac number, because 9989375 - 2¹⁸ = 9727231 is a prime.

It is a super-2 number, since 2×9989375² = 199575225781250, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9989377) 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, 6149 + ... + 7601.

Almost surely, 2^9989375 is an apocalyptic number.

9989375 is a deficient number, since it is larger than the sum of its proper divisors (3637513).

9989375 is a wasteful number, since it uses less digits than its factorization.

9989375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484 (or 1469 counting only the distinct ones).

The product of its digits is 612360, while the sum is 50.

The square root of 9989375 is about 3160.5972536848. The cubic root of 9989375 is about 215.3671390680.

The spelling of 9989375 in words is "nine million, nine hundred eighty-nine thousand, three hundred seventy-five".