28854099 has 12 divisors (see below), whose sum is σ = 42565536. Its totient is φ = 18826512.

The previous prime is 28854073. The next prime is 28854109. The reversal of 28854099 is 99045882.

It is not a de Polignac number, because 28854099 - 2⁷ = 28853971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28854499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33684 + ... + 34529.

It is an arithmetic number, because the mean of its divisors is an integer number (3547128).

Almost surely, 2^28854099 is an apocalyptic number.

28854099 is a deficient number, since it is larger than the sum of its proper divisors (13711437).

28854099 is a wasteful number, since it uses less digits than its factorization.

28854099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68266 (or 68263 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 28854099 is about 5371.6011579416. The cubic root of 28854099 is about 306.7155814906.

The spelling of 28854099 in words is "twenty-eight million, eight hundred fifty-four thousand, ninety-nine".