19104986 has 8 divisors (see below), whose sum is σ = 29324064. Its totient is φ = 9330300.

The previous prime is 19104979. The next prime is 19105003. The reversal of 19104986 is 68940191.

It is a happy number.

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

It is an unprimeable number.

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, 110990 + ... + 111161.

It is an arithmetic number, because the mean of its divisors is an integer number (3665508).

Almost surely, 2^19104986 is an apocalyptic number.

19104986 is a deficient number, since it is larger than the sum of its proper divisors (10219078).

19104986 is a wasteful number, since it uses less digits than its factorization.

19104986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222196.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 19104986 is about 4370.9250737115. The cubic root of 19104986 is about 267.3307445322.

The spelling of 19104986 in words is "nineteen million, one hundred four thousand, nine hundred eighty-six".