86284 has 24 divisors (see below), whose sum is σ = 172368. Its totient is φ = 37440.

The previous prime is 86269. The next prime is 86287. The reversal of 86284 is 48268.

86284 is nontrivially palindromic in base 14.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (86287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1602 + ... + 1654.

It is an arithmetic number, because the mean of its divisors is an integer number (7182).

2⁸⁶²⁸⁴ is an apocalyptic number.

It is an amenable number.

86284 is a deficient number, since it is larger than the sum of its proper divisors (86084).

86284 is a wasteful number, since it uses less digits than its factorization.

86284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 103 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The square root of 86284 is about 293.7413828523. The cubic root of 86284 is about 44.1885845092.

It can be divided in two parts, 862 and 84, that added together give a triangular number (946 = T₄₃).

The spelling of 86284 in words is "eighty-six thousand, two hundred eighty-four".