28350803 has 16 divisors (see below), whose sum is σ = 32029536. Its totient is φ = 24917760.

The previous prime is 28350767. The next prime is 28350811. The reversal of 28350803 is 30805382.

It is a cyclic number.

It is not a de Polignac number, because 28350803 - 2¹² = 28346707 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28350863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22301 + ... + 23537.

It is an arithmetic number, because the mean of its divisors is an integer number (2001846).

Almost surely, 2^28350803 is an apocalyptic number.

28350803 is a deficient number, since it is larger than the sum of its proper divisors (3678733).

28350803 is a wasteful number, since it uses less digits than its factorization.

28350803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 28350803 is about 5324.5472107964. The cubic root of 28350803 is about 304.9217859107.

The spelling of 28350803 in words is "twenty-eight million, three hundred fifty thousand, eight hundred three".