194418 has 24 divisors (see below), whose sum is σ = 481728. Its totient is φ = 55512.

The previous prime is 194413. The next prime is 194431. The reversal of 194418 is 814491.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 194391 and 194400.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 194418.

It is not an unprimeable number, because it can be changed into a prime (194413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 646 + ... + 897.

It is an arithmetic number, because the mean of its divisors is an integer number (20072).

2¹⁹⁴⁴¹⁸ is an apocalyptic number.

194418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

194418 is an abundant number, since it is smaller than the sum of its proper divisors (287310).

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

194418 is a wasteful number, since it uses less digits than its factorization.

194418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558 (or 1555 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 194418 is about 440.9285656430. The cubic root of 194418 is about 57.9311509645.

The spelling of 194418 in words is "one hundred ninety-four thousand, four hundred eighteen".