9915873 has 8 divisors (see below), whose sum is σ = 14423136. Its totient is φ = 6009600.

The previous prime is 9915859. The next prime is 9915881. The reversal of 9915873 is 3785199.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9915873 - 2⁸ = 9915617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9915803) 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 7 ways as a sum of consecutive naturals, for example, 150208 + ... + 150273.

It is an arithmetic number, because the mean of its divisors is an integer number (1802892).

Almost surely, 2^9915873 is an apocalyptic number.

It is an amenable number.

9915873 is a deficient number, since it is larger than the sum of its proper divisors (4507263).

9915873 is a wasteful number, since it uses less digits than its factorization.

9915873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300495.

The product of its digits is 68040, while the sum is 42.

The square root of 9915873 is about 3148.9479195439. The cubic root of 9915873 is about 214.8376130950.

The spelling of 9915873 in words is "nine million, nine hundred fifteen thousand, eight hundred seventy-three".