9816201 has 8 divisors (see below), whose sum is σ = 14542560. Its totient is φ = 6544116.

The previous prime is 9816167. The next prime is 9816203. The reversal of 9816201 is 1026189.

It is not a de Polignac number, because 9816201 - 2¹⁰ = 9815177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 363563 = 9816201 / (9 + 8 + 1 + 6 + 2 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (9816203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181755 + ... + 181808.

It is an arithmetic number, because the mean of its divisors is an integer number (1817820).

Almost surely, 2^9816201 is an apocalyptic number.

It is an amenable number.

9816201 is a deficient number, since it is larger than the sum of its proper divisors (4726359).

9816201 is a wasteful number, since it uses less digits than its factorization.

9816201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363572 (or 363566 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 9816201 is about 3133.0817097548. The cubic root of 9816201 is about 214.1153554564.

The spelling of 9816201 in words is "nine million, eight hundred sixteen thousand, two hundred one".