19930199 has 8 divisors (see below), whose sum is σ = 20655360. Its totient is φ = 19217016.

The previous prime is 19930189. The next prime is 19930201. The reversal of 19930199 is 99103991.

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 19930199 - 2²⁰ = 18881623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19930109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464 + ... + 6330.

It is an arithmetic number, because the mean of its divisors is an integer number (2581920).

Almost surely, 2^19930199 is an apocalyptic number.

19930199 is a deficient number, since it is larger than the sum of its proper divisors (725161).

19930199 is an equidigital number, since it uses as much as digits as its factorization.

19930199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5989.

The product of its (nonzero) digits is 19683, while the sum is 41.

The square root of 19930199 is about 4464.3251449687. The cubic root of 19930199 is about 271.1256118074.

The spelling of 19930199 in words is "nineteen million, nine hundred thirty thousand, one hundred ninety-nine".