188995 has 4 divisors (see below), whose sum is σ = 226800. Its totient is φ = 151192.

The previous prime is 188983. The next prime is 188999. The reversal of 188995 is 599881.

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

It is a cyclic number.

It is not a de Polignac number, because 188995 - 2⁹ = 188483 is a prime.

It is a super-2 number, since 2×188995² = 71438220050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) 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 (188999) 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, 18895 + ... + 18904.

It is an arithmetic number, because the mean of its divisors is an integer number (56700).

2¹⁸⁸⁹⁹⁵ is an apocalyptic number.

188995 is a deficient number, since it is larger than the sum of its proper divisors (37805).

188995 is an equidigital number, since it uses as much as digits as its factorization.

188995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37804.

The product of its digits is 25920, while the sum is 40.

The square root of 188995 is about 434.7355518013. The cubic root of 188995 is about 57.3874294123.

The spelling of 188995 in words is "one hundred eighty-eight thousand, nine hundred ninety-five".