19828316 has 12 divisors (see below), whose sum is σ = 34778688. Its totient is φ = 9891552.

The previous prime is 19828271. The next prime is 19828327. The reversal of 19828316 is 61382891.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 19828316.

It is a congruent number.

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, 3596 + ... + 7251.

It is an arithmetic number, because the mean of its divisors is an integer number (2898224).

Almost surely, 2^19828316 is an apocalyptic number.

It is an amenable number.

19828316 is a deficient number, since it is larger than the sum of its proper divisors (14950372).

19828316 is a wasteful number, since it uses less digits than its factorization.

19828316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11308 (or 11306 counting only the distinct ones).

The product of its digits is 20736, while the sum is 38.

The square root of 19828316 is about 4452.8997293898. The cubic root of 19828316 is about 270.6628250835.

The spelling of 19828316 in words is "nineteen million, eight hundred twenty-eight thousand, three hundred sixteen".