28845268 has 24 divisors (see below), whose sum is σ = 53313120. Its totient is φ = 13618080.

The previous prime is 28845259. The next prime is 28845269. The reversal of 28845268 is 86254882.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28845269) 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 7 ways as a sum of consecutive naturals, for example, 36930 + ... + 37702.

It is an arithmetic number, because the mean of its divisors is an integer number (2221380).

Almost surely, 2^28845268 is an apocalyptic number.

It is an amenable number.

28845268 is a deficient number, since it is larger than the sum of its proper divisors (24467852).

28845268 is a wasteful number, since it uses less digits than its factorization.

28845268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287 (or 1285 counting only the distinct ones).

The product of its digits is 245760, while the sum is 43.

The square root of 28845268 is about 5370.7790868737. The cubic root of 28845268 is about 306.6842874773.

The spelling of 28845268 in words is "twenty-eight million, eight hundred forty-five thousand, two hundred sixty-eight".