9645601 has 12 divisors (see below), whose sum is σ = 11337300. Its totient is φ = 8181600.

The previous prime is 9645593. The next prime is 9645607. The reversal of 9645601 is 1065469.

It can be written as a sum of positive squares in 2 ways, for example, as 8643600 + 1002001 = 2940^2 + 1001^2 .

It is not a de Polignac number, because 9645601 - 2³ = 9645593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9645607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3975 + ... + 5923.

It is an arithmetic number, because the mean of its divisors is an integer number (944775).

Almost surely, 2^9645601 is an apocalyptic number.

It is an amenable number.

9645601 is a deficient number, since it is larger than the sum of its proper divisors (1691699).

9645601 is a wasteful number, since it uses less digits than its factorization.

9645601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064 (or 2057 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 9645601 is about 3105.7367885898. The cubic root of 9645601 is about 212.8676983361.

The spelling of 9645601 in words is "nine million, six hundred forty-five thousand, six hundred one".