9918275 has 12 divisors (see below), whose sum is σ = 12337752. Its totient is φ = 7909440.

The previous prime is 9918253. The next prime is 9918289. The reversal of 9918275 is 5728199.

It is not a de Polignac number, because 9918275 - 2¹⁸ = 9656131 is a prime.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 15104 + ... + 15746.

It is an arithmetic number, because the mean of its divisors is an integer number (1028146).

Almost surely, 2^9918275 is an apocalyptic number.

9918275 is a deficient number, since it is larger than the sum of its proper divisors (2419477).

9918275 is a wasteful number, since it uses less digits than its factorization.

9918275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270 (or 1265 counting only the distinct ones).

The product of its digits is 45360, while the sum is 41.

The square root of 9918275 is about 3149.3292936751. The cubic root of 9918275 is about 214.8549589634.

The spelling of 9918275 in words is "nine million, nine hundred eighteen thousand, two hundred seventy-five".