194404 has 24 divisors (see below), whose sum is σ = 399168. Its totient is φ = 81120.

The previous prime is 194377. The next prime is 194413. The reversal of 194404 is 404491.

It is a happy number.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable 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 in 7 ways as a sum of consecutive naturals, for example, 1419 + ... + 1549.

It is an arithmetic number, because the mean of its divisors is an integer number (16632).

2¹⁹⁴⁴⁰⁴ is an apocalyptic number.

194404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199584).

194404 is an abundant number, since it is smaller than the sum of its proper divisors (204764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194404 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (194403) it forms an eRAP, since the sums of their prime factors are consecutive (194 and 195).

194404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 194404 is about 440.9126897698. The cubic root of 194404 is about 57.9297603943.

Adding to 194404 its reverse (404491), we get a palindrome (598895).

The spelling of 194404 in words is "one hundred ninety-four thousand, four hundred four".