199367993 has 8 divisors (see below), whose sum is σ = 230286240. Its totient is φ = 170582080.

The previous prime is 199367981. The next prime is 199367999. The reversal of 199367993 is 399763991.

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

It is not a de Polignac number, because 199367993 - 2¹⁴ = 199351609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199367999) 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, 532883 + ... + 533256.

It is an arithmetic number, because the mean of its divisors is an integer number (28785780).

Almost surely, 2^199367993 is an apocalyptic number.

It is an amenable number.

199367993 is a deficient number, since it is larger than the sum of its proper divisors (30918247).

199367993 is a wasteful number, since it uses less digits than its factorization.

199367993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066167.

The product of its digits is 2480058, while the sum is 56.

The square root of 199367993 is about 14119.7731214067. The cubic root of 199367993 is about 584.1868977477.

The spelling of 199367993 in words is "one hundred ninety-nine million, three hundred sixty-seven thousand, nine hundred ninety-three".