28054803 has 24 divisors (see below), whose sum is σ = 45020880. Its totient is φ = 15476160.

The previous prime is 28054781. The next prime is 28054813. The reversal of 28054803 is 30845082.

It is not a de Polignac number, because 28054803 - 2⁶ = 28054739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28054813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 973 + ... + 7553.

It is an arithmetic number, because the mean of its divisors is an integer number (1875870).

Almost surely, 2^28054803 is an apocalyptic number.

28054803 is a deficient number, since it is larger than the sum of its proper divisors (16966077).

28054803 is a wasteful number, since it uses less digits than its factorization.

28054803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6627 (or 6620 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 28054803 is about 5296.6784875052. The cubic root of 28054803 is about 303.8568802018.

Adding to 28054803 its reverse (30845082), we get a palindrome (58899885).

The spelling of 28054803 in words is "twenty-eight million, fifty-four thousand, eight hundred three".