199307 has 4 divisors (see below), whose sum is σ = 200376. Its totient is φ = 198240.

The previous prime is 199289. The next prime is 199313. The reversal of 199307 is 703991.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 199307.

It is not an unprimeable number, because it can be changed into a prime (199337) 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, 173 + ... + 654.

It is an arithmetic number, because the mean of its divisors is an integer number (50094).

2¹⁹⁹³⁰⁷ is an apocalyptic number.

199307 is a deficient number, since it is larger than the sum of its proper divisors (1069).

199307 is an equidigital number, since it uses as much as digits as its factorization.

199307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068.

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 199307 is about 446.4381256120. The cubic root of 199307 is about 58.4127317897.

The spelling of 199307 in words is "one hundred ninety-nine thousand, three hundred seven".