199993373 has 8 divisors (see below), whose sum is σ = 211082400. Its totient is φ = 188960688.

The previous prime is 199993361. The next prime is 199993427. The reversal of 199993373 is 373399991.

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

It is a cyclic number.

It is not a de Polignac number, because 199993373 - 2⁴ = 199993357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199993333) 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, 6686 + ... + 21087.

It is an arithmetic number, because the mean of its divisors is an integer number (26385300).

Almost surely, 2^199993373 is an apocalyptic number.

It is an amenable number.

199993373 is a deficient number, since it is larger than the sum of its proper divisors (11089027).

199993373 is a wasteful number, since it uses less digits than its factorization.

199993373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28171.

The product of its digits is 1240029, while the sum is 53.

The square root of 199993373 is about 14141.9013219581. The cubic root of 199993373 is about 584.7970884160.

The spelling of 199993373 in words is "one hundred ninety-nine million, nine hundred ninety-three thousand, three hundred seventy-three".