803380728 has 16 divisors (see below), whose sum is σ = 2008451880. Its totient is φ = 267793568.

The previous prime is 803380723. The next prime is 803380751. The reversal of 803380728 is 827083308.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (803380723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16737075 + ... + 16737122.

Almost surely, 2^803380728 is an apocalyptic number.

It is an amenable number.

803380728 is an abundant number, since it is smaller than the sum of its proper divisors (1205071152).

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

803380728 is a wasteful number, since it uses less digits than its factorization.

803380728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33474206 (or 33474202 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 803380728 is about 28343.9716341941. The cubic root of 803380728 is about 929.6235914582.

The spelling of 803380728 in words is "eight hundred three million, three hundred eighty thousand, seven hundred twenty-eight".