194078 has 4 divisors (see below), whose sum is σ = 291120. Its totient is φ = 97038.

The previous prime is 194071. The next prime is 194083. The reversal of 194078 is 870491.

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

It is a self number, because there is not a number n which added to its sum of digits gives 194078.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 194078.

It is not an unprimeable number, because it can be changed into a prime (194071) by changing a digit.

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, 48518 + ... + 48521.

It is an arithmetic number, because the mean of its divisors is an integer number (72780).

2¹⁹⁴⁰⁷⁸ is an apocalyptic number.

194078 is a deficient number, since it is larger than the sum of its proper divisors (97042).

194078 is an equidigital number, since it uses as much as digits as its factorization.

194078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97041.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 194078 is about 440.5428469513. The cubic root of 194078 is about 57.8973610816.

The spelling of 194078 in words is "one hundred ninety-four thousand, seventy-eight".