97986 has 16 divisors (see below), whose sum is σ = 224064. Its totient is φ = 27984.

The previous prime is 97973. The next prime is 97987. The reversal of 97986 is 68979.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (97987) by changing a digit.

97986 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, 1125 + ... + 1208.

It is an arithmetic number, because the mean of its divisors is an integer number (14004).

2⁹⁷⁹⁸⁶ is an apocalyptic number.

97986 is an abundant number, since it is smaller than the sum of its proper divisors (126078).

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 (112032).

97986 is a wasteful number, since it uses less digits than its factorization.

97986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345.

The product of its digits is 27216, while the sum is 39.

The square root of 97986 is about 313.0271553715. The cubic root of 97986 is about 46.1021673702.

The spelling of 97986 in words is "ninety-seven thousand, nine hundred eighty-six".