199793343 has 4 divisors (see below), whose sum is σ = 266391128. Its totient is φ = 133195560.

The previous prime is 199793339. The next prime is 199793359. The reversal of 199793343 is 343397991.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 199793343 - 2² = 199793339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 199793292 and 199793301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199793393) 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, 33298888 + ... + 33298893.

It is an arithmetic number, because the mean of its divisors is an integer number (66597782).

Almost surely, 2^199793343 is an apocalyptic number.

199793343 is a deficient number, since it is larger than the sum of its proper divisors (66597785).

199793343 is an equidigital number, since it uses as much as digits as its factorization.

199793343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66597784.

The product of its digits is 551124, while the sum is 48.

The square root of 199793343 is about 14134.8273070455. The cubic root of 199793343 is about 584.6020553157.

The spelling of 199793343 in words is "one hundred ninety-nine million, seven hundred ninety-three thousand, three hundred forty-three".