199238 has 16 divisors (see below), whose sum is σ = 329280. Its totient is φ = 89856.

The previous prime is 199211. The next prime is 199247. The reversal of 199238 is 832991.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

199238 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 2006 + ... + 2102.

It is an arithmetic number, because the mean of its divisors is an integer number (20580).

2¹⁹⁹²³⁸ is an apocalyptic number.

199238 is a deficient number, since it is larger than the sum of its proper divisors (130042).

199238 is a wasteful number, since it uses less digits than its factorization.

199238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191.

The product of its digits is 3888, while the sum is 32.

The square root of 199238 is about 446.3608405763. The cubic root of 199238 is about 58.4059901906.

The spelling of 199238 in words is "one hundred ninety-nine thousand, two hundred thirty-eight".