28816093 has 8 divisors (see below), whose sum is σ = 29304000. Its totient is φ = 28330848.

The previous prime is 28816069. The next prime is 28816127. The reversal of 28816093 is 39061882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28816093 - 2¹⁷ = 28685021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28816043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43398 + ... + 44056.

It is an arithmetic number, because the mean of its divisors is an integer number (3663000).

Almost surely, 2^28816093 is an apocalyptic number.

It is an amenable number.

28816093 is a deficient number, since it is larger than the sum of its proper divisors (487907).

28816093 is an equidigital number, since it uses as much as digits as its factorization.

28816093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 28816093 is about 5368.0623133492. The cubic root of 28816093 is about 306.5808559268.

The spelling of 28816093 in words is "twenty-eight million, eight hundred sixteen thousand, ninety-three".