9009801 has 6 divisors (see below), whose sum is σ = 13014170. Its totient is φ = 6006528.

The previous prime is 9009773. The next prime is 9009811. The reversal of 9009801 is 1089009.

9009801 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9000000 + 9801 = 3000^2 + 99^2 .

It is not a de Polignac number, because 9009801 - 2⁵ = 9009769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9009811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 500536 + ... + 500553.

Almost surely, 2^9009801 is an apocalyptic number.

It is an amenable number.

9009801 is a deficient number, since it is larger than the sum of its proper divisors (4004369).

9009801 is a wasteful number, since it uses less digits than its factorization.

9009801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001095 (or 1001092 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 9009801 is about 3001.6330555216. The cubic root of 9009801 is about 208.0838619555.

It can be divided in two parts, 900 and 9801, that multiplied together give a square (8820900 = 2970²).

The spelling of 9009801 in words is "nine million, nine thousand, eight hundred one".