9995641 has 8 divisors (see below), whose sum is σ = 10280520. Its totient is φ = 9714432.

The previous prime is 9995617. The next prime is 9995647. The reversal of 9995641 is 1465999.

It can be written as a sum of positive squares in 4 ways, for example, as 385641 + 9610000 = 621^2 + 3100^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 9995641 - 2⁹ = 9995129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9995647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5155 + ... + 6823.

It is an arithmetic number, because the mean of its divisors is an integer number (1285065).

Almost surely, 2^9995641 is an apocalyptic number.

It is an amenable number.

9995641 is a deficient number, since it is larger than the sum of its proper divisors (284879).

9995641 is a wasteful number, since it uses less digits than its factorization.

9995641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835.

The product of its digits is 87480, while the sum is 43.

The square root of 9995641 is about 3161.5883666284. The cubic root of 9995641 is about 215.4121605176.

The spelling of 9995641 in words is "nine million, nine hundred ninety-five thousand, six hundred forty-one".