86841 has 6 divisors (see below), whose sum is σ = 125450. Its totient is φ = 57888.

The previous prime is 86837. The next prime is 86843. The reversal of 86841 is 14868.

It can be written as a sum of positive squares in only one way, i.e., 57600 + 29241 = 240^2 + 171^2 .

It is not a de Polignac number, because 86841 - 2² = 86837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86843) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4816 + ... + 4833.

2⁸⁶⁸⁴¹ is an apocalyptic number.

It is an amenable number.

86841 is a deficient number, since it is larger than the sum of its proper divisors (38609).

86841 is a wasteful number, since it uses less digits than its factorization.

86841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9655 (or 9652 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 86841 is about 294.6879705723. The cubic root of 86841 is about 44.2834660174.

Adding to 86841 its sum of digits (27), we get a palindrome (86868).

It can be divided in two parts, 868 and 41, that added together give a palindrome (909).

The spelling of 86841 in words is "eighty-six thousand, eight hundred forty-one".