190994 has 16 divisors (see below), whose sum is σ = 307800. Its totient is φ = 88704.

The previous prime is 190979. The next prime is 190997. The reversal of 190994 is 499091.

It can be written as a sum of positive squares in 4 ways, for example, as 172225 + 18769 = 415^2 + 137^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 190994.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 190994.

It is not an unprimeable number, because it can be changed into a prime (190997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2102 + ... + 2190.

2¹⁹⁰⁹⁹⁴ is an apocalyptic number.

190994 is a deficient number, since it is larger than the sum of its proper divisors (116806).

190994 is a wasteful number, since it uses less digits than its factorization.

190994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 190994 is about 437.0286031829. The cubic root of 190994 is about 57.5890491656.

The spelling of 190994 in words is "one hundred ninety thousand, nine hundred ninety-four".