868001 has 4 divisors (see below), whose sum is σ = 871104. Its totient is φ = 864900.

The previous prime is 867991. The next prime is 868019. The reversal of 868001 is 100868.

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 a de Polignac number, because none of the positive numbers 2^k-868001 is a prime.

It is a deceptive number, since it divides R₈₆₈₀₀₀.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (868051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085 + ... + 1706.

It is an arithmetic number, because the mean of its divisors is an integer number (217776).

2⁸⁶⁸⁰⁰¹ is an apocalyptic number.

It is an amenable number.

868001 is a deficient number, since it is larger than the sum of its proper divisors (3103).

868001 is a wasteful number, since it uses less digits than its factorization.

868001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3102.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 868001 is about 931.6657125815. The cubic root of 868001 is about 95.3908550876.

Adding to 868001 its reverse (100868), we get a palindrome (968869).

The spelling of 868001 in words is "eight hundred sixty-eight thousand, one".