199297 has 8 divisors (see below), whose sum is σ = 231552. Its totient is φ = 168000.

The previous prime is 199289. The next prime is 199313. The reversal of 199297 is 792991.

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

It is not a de Polignac number, because 199297 - 2³ = 199289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199207) 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, 297 + ... + 697.

It is an arithmetic number, because the mean of its divisors is an integer number (28944).

2¹⁹⁹²⁹⁷ is an apocalyptic number.

It is an amenable number.

199297 is a deficient number, since it is larger than the sum of its proper divisors (32255).

199297 is an equidigital number, since it uses as much as digits as its factorization.

199297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479.

The product of its digits is 10206, while the sum is 37.

The square root of 199297 is about 446.4269257113. The cubic root of 199297 is about 58.4117548428.

It can be divided in two parts, 199 and 297, that added together give a triangular number (496 = T₃₁).

The spelling of 199297 in words is "one hundred ninety-nine thousand, two hundred ninety-seven".