86898 has 16 divisors (see below), whose sum is σ = 198720. Its totient is φ = 24816.

The previous prime is 86869. The next prime is 86923. The reversal of 86898 is 89868.

86898 is a strobogrammatic number because it is the same when read upside-down.

It is an unprimeable number.

86898 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 7 ways as a sum of consecutive naturals, for example, 993 + ... + 1076.

It is an arithmetic number, because the mean of its divisors is an integer number (12420).

2⁸⁶⁸⁹⁸ is an apocalyptic number.

86898 is an abundant number, since it is smaller than the sum of its proper divisors (111822).

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 (99360).

86898 is a wasteful number, since it uses less digits than its factorization.

86898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081.

The product of its digits is 27648, while the sum is 39.

The square root of 86898 is about 294.7846671725. The cubic root of 86898 is about 44.2931527072.

The spelling of 86898 in words is "eighty-six thousand, eight hundred ninety-eight".