9661841 has 8 divisors (see below), whose sum is σ = 11062080. Its totient is φ = 8266608.

The previous prime is 9661829. The next prime is 9661849. The reversal of 9661841 is 1481669.

9661841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 9661841 - 2⁶ = 9661777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9661849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4955 + ... + 6623.

It is an arithmetic number, because the mean of its divisors is an integer number (1382760).

Almost surely, 2^9661841 is an apocalyptic number.

It is an amenable number.

9661841 is a deficient number, since it is larger than the sum of its proper divisors (1400239).

9661841 is a wasteful number, since it uses less digits than its factorization.

9661841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503.

The product of its digits is 10368, while the sum is 35.

The square root of 9661841 is about 3108.3502054949. The cubic root of 9661841 is about 212.9870976043.

The spelling of 9661841 in words is "nine million, six hundred sixty-one thousand, eight hundred forty-one".