9965654 has 16 divisors (see below), whose sum is σ = 15480288. Its totient is φ = 4807872.

The previous prime is 9965651. The next prime is 9965687. The reversal of 9965654 is 4565699.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9965651) 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, 9647 + ... + 10629.

It is an arithmetic number, because the mean of its divisors is an integer number (967518).

Almost surely, 2^9965654 is an apocalyptic number.

9965654 is a deficient number, since it is larger than the sum of its proper divisors (5514634).

9965654 is a wasteful number, since it uses less digits than its factorization.

9965654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159.

The product of its digits is 291600, while the sum is 44.

The square root of 9965654 is about 3156.8424097506. The cubic root of 9965654 is about 215.1965320309.

The spelling of 9965654 in words is "nine million, nine hundred sixty-five thousand, six hundred fifty-four".