28888303 has 12 divisors (see below), whose sum is σ = 31214568. Its totient is φ = 26717040.

The previous prime is 28888297. The next prime is 28888331. The reversal of 28888303 is 30388882.

It is not a de Polignac number, because 28888303 - 2⁵ = 28888271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28888333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14593 + ... + 16453.

It is an arithmetic number, because the mean of its divisors is an integer number (2601214).

Almost surely, 2^28888303 is an apocalyptic number.

28888303 is a deficient number, since it is larger than the sum of its proper divisors (2326265).

28888303 is a wasteful number, since it uses less digits than its factorization.

28888303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942 (or 1923 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 28888303 is about 5374.7839956597. The cubic root of 28888303 is about 306.8367284275.

The spelling of 28888303 in words is "twenty-eight million, eight hundred eighty-eight thousand, three hundred three".