9648191 has 16 divisors (see below), whose sum is σ = 11366400. Its totient is φ = 8019648.

The previous prime is 9648179. The next prime is 9648193. The reversal of 9648191 is 1918469.

It is a happy number.

It is not a de Polignac number, because 9648191 - 2⁶ = 9648127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9648193) 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 15 ways as a sum of consecutive naturals, for example, 40250 + ... + 40488.

It is an arithmetic number, because the mean of its divisors is an integer number (710400).

Almost surely, 2^9648191 is an apocalyptic number.

9648191 is a deficient number, since it is larger than the sum of its proper divisors (1718209).

9648191 is a wasteful number, since it uses less digits than its factorization.

9648191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398.

The product of its digits is 15552, while the sum is 38.

The square root of 9648191 is about 3106.1537309026. The cubic root of 9648191 is about 212.8867494386.

The spelling of 9648191 in words is "nine million, six hundred forty-eight thousand, one hundred ninety-one".