199383 has 8 divisors (see below), whose sum is σ = 272496. Its totient is φ = 129600.

The previous prime is 199379. The next prime is 199399. The reversal of 199383 is 383991.

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

It is not a de Polignac number, because 199383 - 2² = 199379 is a prime.

199383 is a lucky number.

It is a plaindrome in base 9 and base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 688 + ... + 933.

It is an arithmetic number, because the mean of its divisors is an integer number (34062).

2¹⁹⁹³⁸³ is an apocalyptic number.

199383 is a deficient number, since it is larger than the sum of its proper divisors (73113).

199383 is a wasteful number, since it uses less digits than its factorization.

199383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665.

The product of its digits is 5832, while the sum is 33.

The square root of 199383 is about 446.5232356776. The cubic root of 199383 is about 58.4201555187.

The spelling of 199383 in words is "one hundred ninety-nine thousand, three hundred eighty-three".