28803798 has 12 divisors (see below), whose sum is σ = 62408268. Its totient is φ = 9601260.

The previous prime is 28803781. The next prime is 28803811. The reversal of 28803798 is 89730882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 800088 + ... + 800123.

It is an arithmetic number, because the mean of its divisors is an integer number (5200689).

Almost surely, 2^28803798 is an apocalyptic number.

28803798 is an abundant number, since it is smaller than the sum of its proper divisors (33604470).

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

28803798 is a wasteful number, since it uses less digits than its factorization.

28803798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600219 (or 1600216 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 28803798 is about 5366.9169920915. The cubic root of 28803798 is about 306.5372466393.

The spelling of 28803798 in words is "twenty-eight million, eight hundred three thousand, seven hundred ninety-eight".