9969628 has 12 divisors (see below), whose sum is σ = 17657640. Its totient is φ = 4924592.

The previous prime is 9969611. The next prime is 9969629. The reversal of 9969628 is 8269699.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9969629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14683 + ... + 15346.

It is an arithmetic number, because the mean of its divisors is an integer number (1471470).

Almost surely, 2^9969628 is an apocalyptic number.

It is an amenable number.

9969628 is a deficient number, since it is larger than the sum of its proper divisors (7688012).

9969628 is a wasteful number, since it uses less digits than its factorization.

9969628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30116 (or 30114 counting only the distinct ones).

The product of its digits is 419904, while the sum is 49.

The square root of 9969628 is about 3157.4717734289. The cubic root of 9969628 is about 215.2251328422.

The spelling of 9969628 in words is "nine million, nine hundred sixty-nine thousand, six hundred twenty-eight".