199043 has 8 divisors (see below), whose sum is σ = 218736. Its totient is φ = 180000.

The previous prime is 199039. The next prime is 199049. The reversal of 199043 is 340991.

It is a happy number.

199043 is nontrivially palindromic in base 4.

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

It is a cyclic number.

It is not a de Polignac number, because 199043 - 2² = 199039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668 + ... + 918.

It is an arithmetic number, because the mean of its divisors is an integer number (27342).

2¹⁹⁹⁰⁴³ is an apocalyptic number.

199043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

199043 is a deficient number, since it is larger than the sum of its proper divisors (19693).

199043 is a wasteful number, since it uses less digits than its factorization.

199043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 199043 is about 446.1423539634. The cubic root of 199043 is about 58.3869294262.

The spelling of 199043 in words is "one hundred ninety-nine thousand, forty-three".