9646944 has 36 divisors (see below), whose sum is σ = 25403364. Its totient is φ = 3205504.

The previous prime is 9646943. The next prime is 9646951. The reversal of 9646944 is 4496469.

It is a super-3 number, since 3×9646944³ (a number of 22 digits) contains 333 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9646896 and 9646905.

It is a congruent number.

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

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30274 + ... + 30590.

It is an arithmetic number, because the mean of its divisors is an integer number (705649).

Almost surely, 2^9646944 is an apocalyptic number.

It is an amenable number.

9646944 is an abundant number, since it is smaller than the sum of its proper divisors (15756420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9646944 is an equidigital number, since it uses as much as digits as its factorization.

9646944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647 (or 322 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 9646944 is about 3105.9529938491. The cubic root of 9646944 is about 212.8775773836.

It can be divided in two parts, 9 and 646944, that added together give a triangular number (646953 = T₁₁₃₇).

The spelling of 9646944 in words is "nine million, six hundred forty-six thousand, nine hundred forty-four".