2803428 has 36 divisors (see below), whose sum is σ = 7255248. Its totient is φ = 912240.

The previous prime is 2803421. The next prime is 2803433. The reversal of 2803428 is 8243082.

2803428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2803421) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 643 + ... + 2453.

2^2803428 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 2803428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3627624).

2803428 is an abundant number, since it is smaller than the sum of its proper divisors (4451820).

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

2803428 is a wasteful number, since it uses less digits than its factorization.

2803428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864 (or 1859 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 2803428 is about 1674.3440506658. The cubic root of 2803428 is about 141.0034705649.

The spelling of 2803428 in words is "two million, eight hundred three thousand, four hundred twenty-eight".