115984 has 20 divisors (see below), whose sum is σ = 245520. Its totient is φ = 52640.

The previous prime is 115981. The next prime is 115987. The reversal of 115984 is 489511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (115981) and next prime (115987).

It is not an unprimeable number, because it can be changed into a prime (115981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154 + ... + 505.

It is an arithmetic number, because the mean of its divisors is an integer number (12276).

2¹¹⁵⁹⁸⁴ is an apocalyptic number.

It is an amenable number.

115984 is an abundant number, since it is smaller than the sum of its proper divisors (129536).

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

115984 is a wasteful number, since it uses less digits than its factorization.

115984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 672 counting only the distinct ones).

The product of its digits is 1440, while the sum is 28.

The square root of 115984 is about 340.5642376997. The cubic root of 115984 is about 48.7677472093.

It can be divided in two parts, 11 and 5984, that added together give a palindrome (5995).

The spelling of 115984 in words is "one hundred fifteen thousand, nine hundred eighty-four".