194973 has 8 divisors (see below), whose sum is σ = 275328. Its totient is φ = 122304.

The previous prime is 194963. The next prime is 194977. The reversal of 194973 is 379491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 194973 - 2⁸ = 194717 is a prime.

It is an Ulam number.

It is a Curzon number.

194973 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1861 + ... + 1962.

It is an arithmetic number, because the mean of its divisors is an integer number (34416).

2¹⁹⁴⁹⁷³ is an apocalyptic number.

It is an amenable number.

194973 is a deficient number, since it is larger than the sum of its proper divisors (80355).

194973 is a wasteful number, since it uses less digits than its factorization.

194973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3843.

The product of its digits is 6804, while the sum is 33.

The square root of 194973 is about 441.5574707782. The cubic root of 194973 is about 57.9862234422.

The spelling of 194973 in words is "one hundred ninety-four thousand, nine hundred seventy-three".