9995761 has 4 divisors (see below), whose sum is σ = 10003572. Its totient is φ = 9987952.

The previous prime is 9995743. The next prime is 9995801. The reversal of 9995761 is 1675999.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1675999 = 13 ⋅128923.

It can be written as a sum of positive squares in 2 ways, for example, as 5089536 + 4906225 = 2256^2 + 2215^2 .

It is a cyclic number.

It is not a de Polignac number, because 9995761 - 2¹¹ = 9993713 is a prime.

It is a Duffinian number.

9995761 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9995701) 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 3 ways as a sum of consecutive naturals, for example, 1486 + ... + 4711.

It is an arithmetic number, because the mean of its divisors is an integer number (2500893).

Almost surely, 2^9995761 is an apocalyptic number.

It is an amenable number.

9995761 is a deficient number, since it is larger than the sum of its proper divisors (7811).

9995761 is a wasteful number, since it uses less digits than its factorization.

9995761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7810.

The product of its digits is 153090, while the sum is 46.

The square root of 9995761 is about 3161.6073443741. The cubic root of 9995761 is about 215.4130225385.

The spelling of 9995761 in words is "nine million, nine hundred ninety-five thousand, seven hundred sixty-one".