9661141 has 4 divisors (see below), whose sum is σ = 11041312. Its totient is φ = 8280972.

The previous prime is 9661129. The next prime is 9661153. The reversal of 9661141 is 1411669.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1411669 = 7 ⋅201667.

It is an interprime number because it is at equal distance from previous prime (9661129) and next prime (9661153).

It is not a de Polignac number, because 9661141 - 2⁵ = 9661109 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 (9661441) 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 3 ways as a sum of consecutive naturals, for example, 690075 + ... + 690088.

It is an arithmetic number, because the mean of its divisors is an integer number (2760328).

Almost surely, 2^9661141 is an apocalyptic number.

It is an amenable number.

9661141 is a deficient number, since it is larger than the sum of its proper divisors (1380171).

9661141 is a wasteful number, since it uses less digits than its factorization.

9661141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380170.

The product of its digits is 1296, while the sum is 28.

The square root of 9661141 is about 3108.2376035303. The cubic root of 9661141 is about 212.9819538445.

The spelling of 9661141 in words is "nine million, six hundred sixty-one thousand, one hundred forty-one".