194473 has 4 divisors (see below), whose sum is σ = 196308. Its totient is φ = 192640.

The previous prime is 194471. The next prime is 194479. The reversal of 194473 is 374491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 374491 = 13 ⋅28807.

It can be written as a sum of positive squares in 2 ways, for example, as 59049 + 135424 = 243^2 + 368^2 .

It is a cyclic number.

It is not a de Polignac number, because 194473 - 2¹ = 194471 is a prime.

It is a Duffinian number.

194473 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (194471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 748 + ... + 973.

It is an arithmetic number, because the mean of its divisors is an integer number (49077).

194473 is a Friedman number, since it can be written as 1^4-9+(7*3)^4, using all its digits and the basic arithmetic operations.

2¹⁹⁴⁴⁷³ is an apocalyptic number.

It is an amenable number.

194473 is a deficient number, since it is larger than the sum of its proper divisors (1835).

194473 is a wasteful number, since it uses less digits than its factorization.

194473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834.

The product of its digits is 3024, while the sum is 28.

The square root of 194473 is about 440.9909296119. The cubic root of 194473 is about 57.9366132723.

The spelling of 194473 in words is "one hundred ninety-four thousand, four hundred seventy-three".