2803493728 has 24 divisors (see below), whose sum is σ = 6307861392. Its totient is φ = 1201497216.

The previous prime is 2803493701. The next prime is 2803493731. The reversal of 2803493728 is 8273943082.

2803493728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6257575 + ... + 6258022.

It is an arithmetic number, because the mean of its divisors is an integer number (262827558).

Almost surely, 2^2803493728 is an apocalyptic number.

2803493728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2803493728 is an abundant number, since it is smaller than the sum of its proper divisors (3504367664).

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

2803493728 is a wasteful number, since it uses less digits than its factorization.

2803493728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12515614 (or 12515606 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 2803493728 is about 52948.0285563117. The cubic root of 2803493728 is about 1410.0457252579.

The spelling of 2803493728 in words is "two billion, eight hundred three million, four hundred ninety-three thousand, seven hundred twenty-eight".