9699944 has 16 divisors (see below), whose sum is σ = 18631620. Its totient is φ = 4731520.

The previous prime is 9699941. The next prime is 9699953. The reversal of 9699944 is 4499969.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7562500 + 2137444 = 2750^2 + 1462^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9699892 and 9699901.

It is not an unprimeable number, because it can be changed into a prime (9699941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14459 + ... + 15114.

Almost surely, 2^9699944 is an apocalyptic number.

It is an amenable number.

9699944 is a deficient number, since it is larger than the sum of its proper divisors (8931676).

9699944 is a wasteful number, since it uses less digits than its factorization.

9699944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29620 (or 29616 counting only the distinct ones).

The product of its digits is 629856, while the sum is 50.

The square root of 9699944 is about 3114.4733102083. The cubic root of 9699944 is about 213.2667131388.

The spelling of 9699944 in words is "nine million, six hundred ninety-nine thousand, nine hundred forty-four".