2803660728 has 32 divisors (see below), whose sum is σ = 7646348160. Its totient is φ = 849594080.

The previous prime is 2803660697. The next prime is 2803660747. The reversal of 2803660728 is 8270663082.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2803660728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5309700 + ... + 5310227.

It is an arithmetic number, because the mean of its divisors is an integer number (238948380).

Almost surely, 2^2803660728 is an apocalyptic number.

It is an amenable number.

2803660728 is an abundant number, since it is smaller than the sum of its proper divisors (4842687432).

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

2803660728 is a wasteful number, since it uses less digits than its factorization.

2803660728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10619947 (or 10619943 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 2803660728 is about 52949.6055509387. The cubic root of 2803660728 is about 1410.0737228190.

The spelling of 2803660728 in words is "two billion, eight hundred three million, six hundred sixty thousand, seven hundred twenty-eight".