194190 has 16 divisors (see below), whose sum is σ = 466128. Its totient is φ = 51776.
The previous prime is 194179. The next prime is 194197. The reversal of 194190 is 91491.
It is a super-2 number, since 2×1941902 = 75419512200, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 194190.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (194197) 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 in 7 ways as a sum of consecutive naturals, for example, 3207 + ... + 3266.
It is an arithmetic number, because the mean of its divisors is an integer number (29133).
2194190 is an apocalyptic number.
194190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
194190 is an abundant number, since it is smaller than the sum of its proper divisors (271938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
194190 is a wasteful number, since it uses less digits than its factorization.
194190 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6483.
The product of its (nonzero) digits is 324, while the sum is 24.
The square root of 194190 is about 440.6699445163. The cubic root of 194190 is about 57.9084962222.
The spelling of 194190 in words is "one hundred ninety-four thousand, one hundred ninety".
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