2803328 has 48 divisors (see below), whose sum is σ = 6172530. Its totient is φ = 1267200.

The previous prime is 2803327. The next prime is 2803331. The reversal of 2803328 is 8233082.

It can be written as a sum of positive squares in only one way, i.e., 2795584 + 7744 = 1672^2 + 88^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2803297 and 2803306.

It is not an unprimeable number, because it can be changed into a prime (2803327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15398 + ... + 15578.

2^2803328 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 2803328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3086265).

2803328 is an abundant number, since it is smaller than the sum of its proper divisors (3369202).

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

2803328 is a wasteful number, since it uses less digits than its factorization.

2803328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2803328 is about 1674.3141879588. The cubic root of 2803328 is about 141.0017939849.

The spelling of 2803328 in words is "two million, eight hundred three thousand, three hundred twenty-eight".