9965698 has 8 divisors (see below), whose sum is σ = 15048000. Its totient is φ = 4949700.

The previous prime is 9965687. The next prime is 9965699. The reversal of 9965698 is 8965699.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (9965699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16198 + ... + 16801.

It is an arithmetic number, because the mean of its divisors is an integer number (1881000).

Almost surely, 2^9965698 is an apocalyptic number.

9965698 is a deficient number, since it is larger than the sum of its proper divisors (5082302).

9965698 is a wasteful number, since it uses less digits than its factorization.

9965698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33152.

The product of its digits is 1049760, while the sum is 52.

The square root of 9965698 is about 3156.8493787319. The cubic root of 9965698 is about 215.1968487398.

Subtracting from 9965698 its reverse (8965699), we obtain a palindrome (999999).

The spelling of 9965698 in words is "nine million, nine hundred sixty-five thousand, six hundred ninety-eight".