11789828 has 18 divisors (see below), whose sum is σ = 21214746. Its totient is φ = 5732928.

The previous prime is 11789821. The next prime is 11789839. The reversal of 11789828 is 82898711.

It can be written as a sum of positive squares in 3 ways, for example, as 3678724 + 8111104 = 1918^2 + 2848^2 .

It is not an unprimeable number, because it can be changed into a prime (11789821) 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 5 ways as a sum of consecutive naturals, for example, 4400 + ... + 6552.

It is an arithmetic number, because the mean of its divisors is an integer number (1178597).

Almost surely, 2^11789828 is an apocalyptic number.

It is an amenable number.

11789828 is a deficient number, since it is larger than the sum of its proper divisors (9424918).

11789828 is a wasteful number, since it uses less digits than its factorization.

11789828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231 (or 2192 counting only the distinct ones).

The product of its digits is 64512, while the sum is 44.

The square root of 11789828 is about 3433.6318964036. The cubic root of 11789828 is about 227.5983747154.

The spelling of 11789828 in words is "eleven million, seven hundred eighty-nine thousand, eight hundred twenty-eight".