868141 has 4 divisors (see below), whose sum is σ = 870012. Its totient is φ = 866272.

The previous prime is 868123. The next prime is 868151. The reversal of 868141 is 141868.

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 335241 + 532900 = 579^2 + 730^2 .

It is a cyclic number.

It is not a de Polignac number, because 868141 - 2¹¹ = 866093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868111) 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, 351 + ... + 1363.

It is an arithmetic number, because the mean of its divisors is an integer number (217503).

2⁸⁶⁸¹⁴¹ is an apocalyptic number.

It is an amenable number.

868141 is a deficient number, since it is larger than the sum of its proper divisors (1871).

868141 is a wasteful number, since it uses less digits than its factorization.

868141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870.

The product of its digits is 1536, while the sum is 28.

The square root of 868141 is about 931.7408437972. The cubic root of 868141 is about 95.3959833465.

The spelling of 868141 in words is "eight hundred sixty-eight thousand, one hundred forty-one".