2803287320 has 128 divisors (see below), whose sum is σ = 6702134400. Its totient is φ = 1053696000.

The previous prime is 2803287307. The next prime is 2803287323. The reversal of 2803287320 is 237823082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2803287323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8318192 + ... + 8318528.

It is an arithmetic number, because the mean of its divisors is an integer number (52360425).

Almost surely, 2^2803287320 is an apocalyptic number.

2803287320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2803287320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3351067200).

2803287320 is an abundant number, since it is smaller than the sum of its proper divisors (3898847080).

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

2803287320 is a wasteful number, since it uses less digits than its factorization.

2803287320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 2803287320 is about 52946.0793638207. The cubic root of 2803287320 is about 1410.0111194066.

The spelling of 2803287320 in words is "two billion, eight hundred three million, two hundred eighty-seven thousand, three hundred twenty".