9621975 has 48 divisors (see below), whose sum is σ = 17677440. Its totient is φ = 4579200.

The previous prime is 9621971. The next prime is 9621977. The reversal of 9621975 is 5791269.

9621975 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 9621975 - 2² = 9621971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9621971) 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 47 ways as a sum of consecutive naturals, for example, 88221 + ... + 88329.

It is an arithmetic number, because the mean of its divisors is an integer number (368280).

Almost surely, 2^9621975 is an apocalyptic number.

9621975 is a deficient number, since it is larger than the sum of its proper divisors (8055465).

9621975 is a wasteful number, since it uses less digits than its factorization.

9621975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 235 counting only the distinct ones).

The product of its digits is 34020, while the sum is 39.

The square root of 9621975 is about 3101.9308502931. The cubic root of 9621975 is about 212.6937563829.

The spelling of 9621975 in words is "nine million, six hundred twenty-one thousand, nine hundred seventy-five".