199993375 has 16 divisors (see below), whose sum is σ = 249986880. Its totient is φ = 159741600.

The previous prime is 199993361. The next prime is 199993427. The reversal of 199993375 is 573399991.

It is a de Polignac number, because none of the positive numbers 2^k-199993375 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150966 + ... + 152284.

It is an arithmetic number, because the mean of its divisors is an integer number (15624180).

Almost surely, 2^199993375 is an apocalyptic number.

199993375 is a deficient number, since it is larger than the sum of its proper divisors (49993505).

199993375 is a wasteful number, since it uses less digits than its factorization.

199993375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2547 (or 2537 counting only the distinct ones).

The product of its digits is 2066715, while the sum is 55.

The square root of 199993375 is about 14141.9013926699. The cubic root of 199993375 is about 584.7970903654.

The spelling of 199993375 in words is "one hundred ninety-nine million, nine hundred ninety-three thousand, three hundred seventy-five".