86284161 has 6 divisors (see below), whose sum is σ = 124632690. Its totient is φ = 57522768.

The previous prime is 86284157. The next prime is 86284169. The reversal of 86284161 is 16148268.

It can be written as a sum of positive squares in only one way, i.e., 45643536 + 40640625 = 6756^2 + 6375^2 .

It is not a de Polignac number, because 86284161 - 2² = 86284157 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86284169) 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 5 ways as a sum of consecutive naturals, for example, 4793556 + ... + 4793573.

It is an arithmetic number, because the mean of its divisors is an integer number (20772115).

Almost surely, 2^86284161 is an apocalyptic number.

It is an amenable number.

86284161 is a deficient number, since it is larger than the sum of its proper divisors (38348529).

86284161 is a wasteful number, since it uses less digits than its factorization.

86284161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9587135 (or 9587132 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 86284161 is about 9288.9267948456. The cubic root of 86284161 is about 441.8861199351.

The spelling of 86284161 in words is "eighty-six million, two hundred eighty-four thousand, one hundred sixty-one".