9616445 has 4 divisors (see below), whose sum is σ = 11539740. Its totient is φ = 7693152.

The previous prime is 9616421. The next prime is 9616447. The reversal of 9616445 is 5446169.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5446169 = 2039 ⋅2671.

It can be written as a sum of positive squares in 2 ways, for example, as 4481689 + 5134756 = 2117^2 + 2266^2 .

It is a cyclic number.

It is not a de Polignac number, because 9616445 - 2²⁰ = 8567869 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9616447) 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, 961640 + ... + 961649.

It is an arithmetic number, because the mean of its divisors is an integer number (2884935).

Almost surely, 2^9616445 is an apocalyptic number.

It is an amenable number.

9616445 is a deficient number, since it is larger than the sum of its proper divisors (1923295).

9616445 is a wasteful number, since it uses less digits than its factorization.

9616445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923294.

The product of its digits is 25920, while the sum is 35.

The square root of 9616445 is about 3101.0393418981. The cubic root of 9616445 is about 212.6530016912.

The spelling of 9616445 in words is "nine million, six hundred sixteen thousand, four hundred forty-five".