9819801 has 12 divisors (see below), whose sum is σ = 14213680. Its totient is φ = 6532920.

The previous prime is 9819791. The next prime is 9819809. The reversal of 9819801 is 1089189.

It is not a de Polignac number, because 9819801 - 2⁷ = 9819673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9819809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5430 + ... + 7008.

Almost surely, 2^9819801 is an apocalyptic number.

It is an amenable number.

9819801 is a deficient number, since it is larger than the sum of its proper divisors (4393879).

9819801 is a wasteful number, since it uses less digits than its factorization.

9819801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276 (or 2273 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The square root of 9819801 is about 3133.6561713117. The cubic root of 9819801 is about 214.1415271926.

The spelling of 9819801 in words is "nine million, eight hundred nineteen thousand, eight hundred one".