9696638 has 16 divisors (see below), whose sum is σ = 16671744. Its totient is φ = 4143480.

The previous prime is 9696637. The next prime is 9696649. The reversal of 9696638 is 8366969.

It is a junction number, because it is equal to n+sod(n) for n = 9696592 and 9696601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9696637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5231 + ... + 6837.

It is an arithmetic number, because the mean of its divisors is an integer number (1041984).

Almost surely, 2^9696638 is an apocalyptic number.

9696638 is a deficient number, since it is larger than the sum of its proper divisors (6975106).

9696638 is a wasteful number, since it uses less digits than its factorization.

9696638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2047.

The product of its digits is 419904, while the sum is 47.

The square root of 9696638 is about 3113.9425171316. The cubic root of 9696638 is about 213.2424813883.

The spelling of 9696638 in words is "nine million, six hundred ninety-six thousand, six hundred thirty-eight".