28330803 has 20 divisors (see below), whose sum is σ = 42752688. Its totient is φ = 18694800.

The previous prime is 28330793. The next prime is 28330829. The reversal of 28330803 is 30803382.

It is not a de Polignac number, because 28330803 - 2⁴ = 28330787 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (28330873) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6450 + ... + 9912.

Almost surely, 2^28330803 is an apocalyptic number.

28330803 is a deficient number, since it is larger than the sum of its proper divisors (14421885).

28330803 is a wasteful number, since it uses less digits than its factorization.

28330803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3576 (or 3567 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 28330803 is about 5322.6687854872. The cubic root of 28330803 is about 304.8500669506.

The spelling of 28330803 in words is "twenty-eight million, three hundred thirty thousand, eight hundred three".