117996 has 12 divisors (see below), whose sum is σ = 275352. Its totient is φ = 39328.

The previous prime is 117991. The next prime is 118033. The reversal of 117996 is 699711.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (117991) 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, 4905 + ... + 4928.

It is an arithmetic number, because the mean of its divisors is an integer number (22946).

2¹¹⁷⁹⁹⁶ is an apocalyptic number.

It is an amenable number.

117996 is an abundant number, since it is smaller than the sum of its proper divisors (157356).

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

117996 is a wasteful number, since it uses less digits than its factorization.

117996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9840 (or 9838 counting only the distinct ones).

The product of its digits is 3402, while the sum is 33.

The square root of 117996 is about 343.5054584719. The cubic root of 117996 is about 49.0481270866.

It can be divided in two parts, 1179 and 96, that added together give a triangular number (1275 = T₅₀).

The spelling of 117996 in words is "one hundred seventeen thousand, nine hundred ninety-six".