9684161 has 4 divisors (see below), whose sum is σ = 9734532. Its totient is φ = 9633792.

The previous prime is 9684149. The next prime is 9684193. The reversal of 9684161 is 1614869.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1614869 = 653 ⋅2473.

It can be written as a sum of positive squares in 2 ways, for example, as 7187761 + 2496400 = 2681^2 + 1580^2 .

It is a cyclic number.

It is not a de Polignac number, because 9684161 - 2⁶ = 9684097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9684361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24896 + ... + 25281.

It is an arithmetic number, because the mean of its divisors is an integer number (2433633).

Almost surely, 2^9684161 is an apocalyptic number.

It is an amenable number.

9684161 is a deficient number, since it is larger than the sum of its proper divisors (50371).

9684161 is a wasteful number, since it uses less digits than its factorization.

9684161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50370.

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

The square root of 9684161 is about 3111.9384634019. The cubic root of 9684161 is about 213.1509799686.

The spelling of 9684161 in words is "nine million, six hundred eighty-four thousand, one hundred sixty-one".