9899201 has 4 divisors (see below), whose sum is σ = 10660692. Its totient is φ = 9137712.

The previous prime is 9899173. The next prime is 9899221. The reversal of 9899201 is 1029989.

9899201 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1048576 + 8850625 = 1024^2 + 2975^2 .

It is a cyclic number.

It is not a de Polignac number, because 9899201 - 2¹⁰ = 9898177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9899221) 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, 380726 + ... + 380751.

It is an arithmetic number, because the mean of its divisors is an integer number (2665173).

Almost surely, 2^9899201 is an apocalyptic number.

It is an amenable number.

9899201 is a deficient number, since it is larger than the sum of its proper divisors (761491).

9899201 is a wasteful number, since it uses less digits than its factorization.

9899201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761490.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 9899201 is about 3146.2995725137. The cubic root of 9899201 is about 214.7171401939.

It can be divided in two parts, 98 and 99201, that added together give a palindrome (99299).

The spelling of 9899201 in words is "nine million, eight hundred ninety-nine thousand, two hundred one".