1028805336 has 192 divisors, whose sum is σ = 3092281920. Its totient is φ = 307077120.

The previous prime is 1028805319. The next prime is 1028805347. The reversal of 1028805336 is 6335088201.

1028805336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1028805336.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7509460 + ... + 7509596.

It is an arithmetic number, because the mean of its divisors is an integer number (16105635).

Almost surely, 2^1028805336 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 1028805336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1546140960).

1028805336 is an abundant number, since it is smaller than the sum of its proper divisors (2063476584).

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

1028805336 is a wasteful number, since it uses less digits than its factorization.

1028805336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1028805336 is about 32074.9954949334. The cubic root of 1028805336 is about 1009.5110321457.

The spelling of 1028805336 in words is "one billion, twenty-eight million, eight hundred five thousand, three hundred thirty-six".