9996628 has 24 divisors (see below), whose sum is σ = 18381888. Its totient is φ = 4747776.

The previous prime is 9996617. The next prime is 9996631. The reversal of 9996628 is 8266999.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17475 + ... + 18037.

It is an arithmetic number, because the mean of its divisors is an integer number (765912).

Almost surely, 2^9996628 is an apocalyptic number.

It is an amenable number.

9996628 is a deficient number, since it is larger than the sum of its proper divisors (8385260).

9996628 is a wasteful number, since it uses less digits than its factorization.

9996628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783 (or 781 counting only the distinct ones).

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

The square root of 9996628 is about 3161.7444552019. The cubic root of 9996628 is about 215.4192504349.

The spelling of 9996628 in words is "nine million, nine hundred ninety-six thousand, six hundred twenty-eight".