199473 has 4 divisors (see below), whose sum is σ = 265968. Its totient is φ = 132980.

The previous prime is 199457. The next prime is 199483. The reversal of 199473 is 374991.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 199473 - 2⁴ = 199457 is a prime.

It is a D-number.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (199403) 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, 33243 + ... + 33248.

It is an arithmetic number, because the mean of its divisors is an integer number (66492).

2¹⁹⁹⁴⁷³ is an apocalyptic number.

It is an amenable number.

199473 is a deficient number, since it is larger than the sum of its proper divisors (66495).

199473 is an equidigital number, since it uses as much as digits as its factorization.

199473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66494.

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

The square root of 199473 is about 446.6240029376. The cubic root of 199473 is about 58.4289443374.

The spelling of 199473 in words is "one hundred ninety-nine thousand, four hundred seventy-three".