9665894 has 24 divisors (see below), whose sum is σ = 17609520. Its totient is φ = 3897216.

The previous prime is 9665891. The next prime is 9665923. The reversal of 9665894 is 4985669.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9665891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2852 + ... + 5240.

It is an arithmetic number, because the mean of its divisors is an integer number (733730).

Almost surely, 2^9665894 is an apocalyptic number.

9665894 is a deficient number, since it is larger than the sum of its proper divisors (7943626).

9665894 is a wasteful number, since it uses less digits than its factorization.

9665894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432 (or 2415 counting only the distinct ones).

The product of its digits is 466560, while the sum is 47.

The square root of 9665894 is about 3109.0020907037. The cubic root of 9665894 is about 213.0168750911.

The spelling of 9665894 in words is "nine million, six hundred sixty-five thousand, eight hundred ninety-four".