19886068 has 12 divisors (see below), whose sum is σ = 35390880. Its totient is φ = 9774392.

The previous prime is 19886063. The next prime is 19886093. The reversal of 19886068 is 86068891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19886063) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 41896 + ... + 42367.

It is an arithmetic number, because the mean of its divisors is an integer number (2949240).

Almost surely, 2^19886068 is an apocalyptic number.

It is an amenable number.

19886068 is a deficient number, since it is larger than the sum of its proper divisors (15504812).

19886068 is a wasteful number, since it uses less digits than its factorization.

19886068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84326 (or 84324 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 19886068 is about 4459.3797775027. The cubic root of 19886068 is about 270.9253481009.

The spelling of 19886068 in words is "nineteen million, eight hundred eighty-six thousand, sixty-eight".