87286 has 8 divisors (see below), whose sum is σ = 137880. Its totient is φ = 41328.

The previous prime is 87281. The next prime is 87293. The reversal of 87286 is 68278.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87281) by changing a digit.

87286 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1111 + ... + 1186.

It is an arithmetic number, because the mean of its divisors is an integer number (17235).

2⁸⁷²⁸⁶ is an apocalyptic number.

87286 is a deficient number, since it is larger than the sum of its proper divisors (50594).

87286 is a wasteful number, since it uses less digits than its factorization.

87286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318.

The product of its digits is 5376, while the sum is 31.

The square root of 87286 is about 295.4420416935. The cubic root of 87286 is about 44.3589778830.

It can be divided in two parts, 87 and 286, that added together give a palindrome (373).

The spelling of 87286 in words is "eighty-seven thousand, two hundred eighty-six".