87006 has 16 divisors (see below), whose sum is σ = 184464. Its totient is φ = 27264.

The previous prime is 86993. The next prime is 87011. The reversal of 87006 is 60078.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 325 + ... + 528.

It is an arithmetic number, because the mean of its divisors is an integer number (11529).

2⁸⁷⁰⁰⁶ is an apocalyptic number.

87006 is an abundant number, since it is smaller than the sum of its proper divisors (97458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92232).

87006 is a wasteful number, since it uses less digits than its factorization.

87006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 87006 is about 294.9677948523. The cubic root of 87006 is about 44.3114948252.

The spelling of 87006 in words is "eighty-seven thousand, six".