9644969 has 4 divisors (see below), whose sum is σ = 9666900. Its totient is φ = 9623040.

The previous prime is 9644959. The next prime is 9644977. The reversal of 9644969 is 9694469.

9644969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6451600 + 3193369 = 2540^2 + 1787^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9644969 is a prime.

It is a super-2 number, since 2×9644969² = 186050854021922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9644909) 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, 10292 + ... + 11189.

It is an arithmetic number, because the mean of its divisors is an integer number (2416725).

Almost surely, 2^9644969 is an apocalyptic number.

It is an amenable number.

9644969 is a deficient number, since it is larger than the sum of its proper divisors (21931).

9644969 is a wasteful number, since it uses less digits than its factorization.

9644969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21930.

The product of its digits is 419904, while the sum is 47.

The square root of 9644969 is about 3105.6350397302. The cubic root of 9644969 is about 212.8630490553.

The spelling of 9644969 in words is "nine million, six hundred forty-four thousand, nine hundred sixty-nine".