194238 has 40 divisors (see below), whose sum is σ = 479160. Its totient is φ = 58320.

The previous prime is 194203. The next prime is 194239. The reversal of 194238 is 832491.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1728 + ... + 1836.

It is an arithmetic number, because the mean of its divisors is an integer number (11979).

194238 is a Friedman number, since it can be written as 9^2*((8-1)^4-3), using all its digits and the basic arithmetic operations.

2¹⁹⁴²³⁸ is an apocalyptic number.

194238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 194238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239580).

194238 is an abundant number, since it is smaller than the sum of its proper divisors (284922).

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

194238 is a wasteful number, since it uses less digits than its factorization.

194238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 125 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 194238 is about 440.7244036810. The cubic root of 194238 is about 57.9132671147.

Subtracting from 194238 its product of digits (1728), we obtain a triangular number (192510 = T₆₂₀).

The spelling of 194238 in words is "one hundred ninety-four thousand, two hundred thirty-eight".