864201 has 8 divisors (see below), whose sum is σ = 1240960. Its totient is φ = 531792.

The previous prime is 864191. The next prime is 864203. The reversal of 864201 is 102468.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 864201 - 2⁵ = 864169 is a prime.

It is a Duffinian number.

It is a Curzon number.

864201 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (864203) 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, 11041 + ... + 11118.

It is an arithmetic number, because the mean of its divisors is an integer number (155120).

2⁸⁶⁴²⁰¹ is an apocalyptic number.

It is an amenable number.

864201 is a deficient number, since it is larger than the sum of its proper divisors (376759).

864201 is a wasteful number, since it uses less digits than its factorization.

864201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22175.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 864201 is about 929.6241175873. The cubic root of 864201 is about 95.2514483698.

Adding to 864201 its reverse (102468), we get a palindrome (966669).

The spelling of 864201 in words is "eight hundred sixty-four thousand, two hundred one".