199893349 has 4 divisors (see below), whose sum is σ = 199922764. Its totient is φ = 199863936.

The previous prime is 199893341. The next prime is 199893359. The reversal of 199893349 is 943398991.

199893349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 can be written as a sum of positive squares in 2 ways, for example, as 56325025 + 143568324 = 7505^2 + 11982^2 .

It is a cyclic number.

It is not a de Polignac number, because 199893349 - 2³ = 199893341 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 199893349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199893341) 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, 1279 + ... + 20035.

It is an arithmetic number, because the mean of its divisors is an integer number (49980691).

Almost surely, 2^199893349 is an apocalyptic number.

It is an amenable number.

199893349 is a deficient number, since it is larger than the sum of its proper divisors (29415).

199893349 is a wasteful number, since it uses less digits than its factorization.

199893349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29414.

The product of its digits is 1889568, while the sum is 55.

The square root of 199893349 is about 14138.3644386471. The cubic root of 199893349 is about 584.6995793546.

The spelling of 199893349 in words is "one hundred ninety-nine million, eight hundred ninety-three thousand, three hundred forty-nine".