9939696 has 80 divisors (see below), whose sum is σ = 29310624. Its totient is φ = 2875392.

The previous prime is 9939667. The next prime is 9939707. The reversal of 9939696 is 6969399.

It is a Harshad number since it is a multiple of its sum of digits (51).

Its product of digits (708588) is a multiple of the sum of its prime divisors (972).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10140 + ... + 11076.

Almost surely, 2^9939696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9939696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14655312).

9939696 is an abundant number, since it is smaller than the sum of its proper divisors (19370928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9939696 is a wasteful number, since it uses less digits than its factorization.

9939696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978 (or 972 counting only the distinct ones).

The product of its digits is 708588, while the sum is 51.

The square root of 9939696 is about 3152.7283422458. The cubic root of 9939696 is about 215.0095254478.

The spelling of 9939696 in words is "nine million, nine hundred thirty-nine thousand, six hundred ninety-six".