19827796 has 12 divisors (see below), whose sum is σ = 35437248. Its totient is φ = 9702872.

The previous prime is 19827791. The next prime is 19827799. The reversal of 19827796 is 69772891.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19827791) 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, 52546 + ... + 52921.

It is an arithmetic number, because the mean of its divisors is an integer number (2953104).

Almost surely, 2^19827796 is an apocalyptic number.

It is an amenable number.

19827796 is a deficient number, since it is larger than the sum of its proper divisors (15609452).

19827796 is a wasteful number, since it uses less digits than its factorization.

19827796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105518 (or 105516 counting only the distinct ones).

The product of its digits is 381024, while the sum is 49.

The square root of 19827796 is about 4452.8413400884. The cubic root of 19827796 is about 270.6604590076.

The spelling of 19827796 in words is "nineteen million, eight hundred twenty-seven thousand, seven hundred ninety-six".