9859375 has 14 divisors (see below), whose sum is σ = 12343592. Its totient is φ = 7875000.

The previous prime is 9859373. The next prime is 9859379. The reversal of 9859375 is 5739589.

9859375 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9859375 - 2¹ = 9859373 is a prime.

It is a super-3 number, since 3×9859375³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9859373) 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 13 ways as a sum of consecutive naturals, for example, 15310 + ... + 15940.

Almost surely, 2^9859375 is an apocalyptic number.

9859375 is a deficient number, since it is larger than the sum of its proper divisors (2484217).

9859375 is an frugal number, since it uses more digits than its factorization.

9859375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 636 counting only the distinct ones).

The product of its digits is 340200, while the sum is 46.

The square root of 9859375 is about 3139.9641717701. The cubic root of 9859375 is about 214.4288065433.

The spelling of 9859375 in words is "nine million, eight hundred fifty-nine thousand, three hundred seventy-five".