9964844 has 6 divisors (see below), whose sum is σ = 17438484. Its totient is φ = 4982420.

The previous prime is 9964841. The next prime is 9964847. The reversal of 9964844 is 4484699.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9964841) and next prime (9964847).

It is a junction number, because it is equal to n+sod(n) for n = 9964795 and 9964804.

It is not an unprimeable number, because it can be changed into a prime (9964841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1245602 + ... + 1245609.

It is an arithmetic number, because the mean of its divisors is an integer number (2906414).

Almost surely, 2^9964844 is an apocalyptic number.

It is an amenable number.

9964844 is a deficient number, since it is larger than the sum of its proper divisors (7473640).

9964844 is a wasteful number, since it uses less digits than its factorization.

9964844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491215 (or 2491213 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 9964844 is about 3156.7141143917. The cubic root of 9964844 is about 215.1907015417.

The spelling of 9964844 in words is "nine million, nine hundred sixty-four thousand, eight hundred forty-four".