9665001 has 10 divisors (see below), whose sum is σ = 14437962. Its totient is φ = 6443280.

The previous prime is 9664997. The next prime is 9665039. The reversal of 9665001 is 1005669.

9665001 is a `hidden beast` number, since 9 + 6 + 650 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9363600 + 301401 = 3060^2 + 549^2 .

It is not a de Polignac number, because 9665001 - 2² = 9664997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9665041) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 59580 + ... + 59741.

Almost surely, 2^9665001 is an apocalyptic number.

It is an amenable number.

9665001 is a deficient number, since it is larger than the sum of its proper divisors (4772961).

9665001 is a wasteful number, since it uses less digits than its factorization.

9665001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119333 (or 119324 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 9665001 is about 3108.8584721727. The cubic root of 9665001 is about 213.0103149141.

The spelling of 9665001 in words is "nine million, six hundred sixty-five thousand, one".