868601 has 4 divisors (see below), whose sum is σ = 872100. Its totient is φ = 865104.

The previous prime is 868583. The next prime is 868603. The reversal of 868601 is 106868.

868601 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.

It can be written as a sum of positive squares in 2 ways, for example, as 144400 + 724201 = 380^2 + 851^2 .

It is not a de Polignac number, because 868601 - 2⁶ = 868537 is a prime.

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 (868603) 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, 1346 + ... + 1883.

It is an arithmetic number, because the mean of its divisors is an integer number (218025).

2⁸⁶⁸⁶⁰¹ is an apocalyptic number.

It is an amenable number.

868601 is a deficient number, since it is larger than the sum of its proper divisors (3499).

868601 is a wasteful number, since it uses less digits than its factorization.

868601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3498.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 868601 is about 931.9876608625. The cubic root of 868601 is about 95.4128294595.

The spelling of 868601 in words is "eight hundred sixty-eight thousand, six hundred one".