108994 has 4 divisors (see below), whose sum is σ = 163494. Its totient is φ = 54496.

The previous prime is 108991. The next prime is 109001. The reversal of 108994 is 499801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 97969 + 11025 = 313^2 + 105^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (108991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27247 + ... + 27250.

2¹⁰⁸⁹⁹⁴ is an apocalyptic number.

108994 is a deficient number, since it is larger than the sum of its proper divisors (54500).

108994 is an equidigital number, since it uses as much as digits as its factorization.

108994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54499.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 108994 is about 330.1423935213. The cubic root of 108994 is about 47.7676853069.

The spelling of 108994 in words is "one hundred eight thousand, nine hundred ninety-four".