11839828 has 48 divisors (see below), whose sum is σ = 27828864. Its totient is φ = 4256640.

The previous prime is 11839813. The next prime is 11839847. The reversal of 11839828 is 82893811.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2526 + ... + 5482.

It is an arithmetic number, because the mean of its divisors is an integer number (579768).

Almost surely, 2^11839828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11839828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13914432).

11839828 is an abundant number, since it is smaller than the sum of its proper divisors (15989036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11839828 is a wasteful number, since it uses less digits than its factorization.

11839828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992 (or 2990 counting only the distinct ones).

The product of its digits is 27648, while the sum is 40.

The square root of 11839828 is about 3440.9051134840. The cubic root of 11839828 is about 227.9196649365.

It can be divided in two parts, 1183 and 9828, that added together give a palindrome (11011).

The spelling of 11839828 in words is "eleven million, eight hundred thirty-nine thousand, eight hundred twenty-eight".