9646945 has 16 divisors (see below), whose sum is σ = 14433408. Its totient is φ = 6013440.

The previous prime is 9646943. The next prime is 9646951. The reversal of 9646945 is 5496469.

It is a happy number.

It is not a de Polignac number, because 9646945 - 2¹ = 9646943 is a prime.

It is a super-3 number, since 3×9646945³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (9646943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12144 + ... + 12913.

It is an arithmetic number, because the mean of its divisors is an integer number (902088).

Almost surely, 2^9646945 is an apocalyptic number.

It is an amenable number.

9646945 is a deficient number, since it is larger than the sum of its proper divisors (4786463).

9646945 is a wasteful number, since it uses less digits than its factorization.

9646945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25080.

The product of its digits is 233280, while the sum is 43.

The square root of 9646945 is about 3105.9531548303. The cubic root of 9646945 is about 212.8775847392.

The spelling of 9646945 in words is "nine million, six hundred forty-six thousand, nine hundred forty-five".