199005 has 8 divisors (see below), whose sum is σ = 318432. Its totient is φ = 106128.

The previous prime is 198997. The next prime is 199021. The reversal of 199005 is 500991.

It is a happy number.

199005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 199005 - 2³ = 198997 is a prime.

It is a Curzon number.

199005 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6619 + ... + 6648.

It is an arithmetic number, because the mean of its divisors is an integer number (39804).

2¹⁹⁹⁰⁰⁵ is an apocalyptic number.

199005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

199005 is a deficient number, since it is larger than the sum of its proper divisors (119427).

199005 is a wasteful number, since it uses less digits than its factorization.

199005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13275.

The product of its (nonzero) digits is 405, while the sum is 24.

The square root of 199005 is about 446.0997646267. The cubic root of 199005 is about 58.3832135716.

Adding to 199005 its reverse (500991), we get a palindrome (699996).

The spelling of 199005 in words is "one hundred ninety-nine thousand, five".