194002 has 4 divisors (see below), whose sum is σ = 291006. Its totient is φ = 97000.

The previous prime is 193993. The next prime is 194003. The reversal of 194002 is 200491.

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., 145161 + 48841 = 381^2 + 221^2 .

It is not an unprimeable number, because it can be changed into a prime (194003) by changing a digit.

194002 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48499 + ... + 48502.

2¹⁹⁴⁰⁰² is an apocalyptic number.

194002 is a deficient number, since it is larger than the sum of its proper divisors (97004).

194002 is an equidigital number, since it uses as much as digits as its factorization.

194002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97003.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 194002 is about 440.4565812881. The cubic root of 194002 is about 57.8898026533.

Adding to 194002 its reverse (200491), we get a palindrome (394493).

The spelling of 194002 in words is "one hundred ninety-four thousand, two".