9959875 has 32 divisors (see below), whose sum is σ = 13590720. Its totient is φ = 7257600.

The previous prime is 9959869. The next prime is 9959879. The reversal of 9959875 is 5789599.

It is not a de Polignac number, because 9959875 - 2³ = 9959867 is a prime.

It is a super-2 number, since 2×9959875² = 198398220031250, which contains 22 as substring.

9959875 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9959879) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91321 + ... + 91429.

It is an arithmetic number, because the mean of its divisors is an integer number (424710).

Almost surely, 2^9959875 is an apocalyptic number.

9959875 is a deficient number, since it is larger than the sum of its proper divisors (3630845).

9959875 is a wasteful number, since it uses less digits than its factorization.

9959875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 174 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 52.

The square root of 9959875 is about 3155.9269636669. The cubic root of 9959875 is about 215.1549270938.

The spelling of 9959875 in words is "nine million, nine hundred fifty-nine thousand, eight hundred seventy-five".