19854116 has 12 divisors (see below), whose sum is σ = 35484288. Its totient is φ = 9715752.

The previous prime is 19854061. The next prime is 19854137. The reversal of 19854116 is 61145891.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52616 + ... + 52991.

It is an arithmetic number, because the mean of its divisors is an integer number (2957024).

Almost surely, 2^19854116 is an apocalyptic number.

It is an amenable number.

19854116 is a deficient number, since it is larger than the sum of its proper divisors (15630172).

19854116 is a wasteful number, since it uses less digits than its factorization.

19854116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105658 (or 105656 counting only the distinct ones).

The product of its digits is 8640, while the sum is 35.

The square root of 19854116 is about 4455.7957762896. The cubic root of 19854116 is about 270.7801669418.

The spelling of 19854116 in words is "nineteen million, eight hundred fifty-four thousand, one hundred sixteen".