868201 has 4 divisors (see below), whose sum is σ = 870100. Its totient is φ = 866304.

The previous prime is 868199. The next prime is 868211. The reversal of 868201 is 102868.

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 189225 + 678976 = 435^2 + 824^2 .

It is a cyclic number.

It is not a de Polignac number, because 868201 - 2¹ = 868199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (868211) 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 3 ways as a sum of consecutive naturals, for example, 205 + ... + 1333.

It is an arithmetic number, because the mean of its divisors is an integer number (217525).

2⁸⁶⁸²⁰¹ is an apocalyptic number.

It is an amenable number.

868201 is a deficient number, since it is larger than the sum of its proper divisors (1899).

868201 is a wasteful number, since it uses less digits than its factorization.

868201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 868201 is about 931.7730410352. The cubic root of 868201 is about 95.3981810030.

The spelling of 868201 in words is "eight hundred sixty-eight thousand, two hundred one".