864601 has 4 divisors (see below), whose sum is σ = 884752. Its totient is φ = 844452.

The previous prime is 864587. The next prime is 864613. The reversal of 864601 is 106468.

864601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 864601 - 2¹¹ = 862553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (864631) 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, 10011 + ... + 10096.

It is an arithmetic number, because the mean of its divisors is an integer number (221188).

2⁸⁶⁴⁶⁰¹ is an apocalyptic number.

It is an amenable number.

864601 is a deficient number, since it is larger than the sum of its proper divisors (20151).

864601 is a wasteful number, since it uses less digits than its factorization.

864601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20150.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 864601 is about 929.8392334162. The cubic root of 864601 is about 95.2661419817.

The spelling of 864601 in words is "eight hundred sixty-four thousand, six hundred one".