86598 has 24 divisors (see below), whose sum is σ = 199368. Its totient is φ = 27072.

The previous prime is 86587. The next prime is 86599. The reversal of 86598 is 89568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165 + ... + 447.

It is an arithmetic number, because the mean of its divisors is an integer number (8307).

2⁸⁶⁵⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86598, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99684).

86598 is an abundant number, since it is smaller than the sum of its proper divisors (112770).

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

86598 is a wasteful number, since it uses less digits than its factorization.

86598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 305 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 86598 is about 294.2753812333. The cubic root of 86598 is about 44.2421225085.

The spelling of 86598 in words is "eighty-six thousand, five hundred ninety-eight".