9869001 has 16 divisors (see below), whose sum is σ = 13806720. Its totient is φ = 6258560.

The previous prime is 9868981. The next prime is 9869003. The reversal of 9869001 is 1009689.

It is a happy number.

9869001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9869001 - 2¹⁴ = 9852617 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

9869001 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9869003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19135 + ... + 19643.

It is an arithmetic number, because the mean of its divisors is an integer number (862920).

Almost surely, 2^9869001 is an apocalyptic number.

It is an amenable number.

9869001 is a deficient number, since it is larger than the sum of its proper divisors (3937719).

9869001 is a wasteful number, since it uses less digits than its factorization.

9869001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 9869001 is about 3141.4966178559. The cubic root of 9869001 is about 214.4985682443.

The spelling of 9869001 in words is "nine million, eight hundred sixty-nine thousand, one".