9878201 has 4 divisors (see below), whose sum is σ = 10307712. Its totient is φ = 9448692.

The previous prime is 9878191. The next prime is 9878203. The reversal of 9878201 is 1028789.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9878201 - 2¹⁰ = 9877177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9878203) 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, 214721 + ... + 214766.

It is an arithmetic number, because the mean of its divisors is an integer number (2576928).

Almost surely, 2^9878201 is an apocalyptic number.

It is an amenable number.

9878201 is a deficient number, since it is larger than the sum of its proper divisors (429511).

9878201 is a wasteful number, since it uses less digits than its factorization.

9878201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429510.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 9878201 is about 3142.9605470002. The cubic root of 9878201 is about 214.5652002482.

The spelling of 9878201 in words is "nine million, eight hundred seventy-eight thousand, two hundred one".