19936198 has 8 divisors (see below), whose sum is σ = 30061440. Its totient is φ = 9915720.

The previous prime is 19936183. The next prime is 19936199. The reversal of 19936198 is 89163991.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19936199) 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 3 ways as a sum of consecutive naturals, for example, 25713 + ... + 26476.

It is an arithmetic number, because the mean of its divisors is an integer number (3757680).

Almost surely, 2^19936198 is an apocalyptic number.

19936198 is a deficient number, since it is larger than the sum of its proper divisors (10125242).

19936198 is a wasteful number, since it uses less digits than its factorization.

19936198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52382.

The product of its digits is 104976, while the sum is 46.

The square root of 19936198 is about 4464.9969764827. The cubic root of 19936198 is about 271.1528120607.

The spelling of 19936198 in words is "nineteen million, nine hundred thirty-six thousand, one hundred ninety-eight".