28110893 has 8 divisors (see below), whose sum is σ = 29233920. Its totient is φ = 27001440.

The previous prime is 28110881. The next prime is 28110919. The reversal of 28110893 is 39801182.

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 28110893 - 2⁸ = 28110637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28110833) 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 7 ways as a sum of consecutive naturals, for example, 938 + ... + 7556.

It is an arithmetic number, because the mean of its divisors is an integer number (3654240).

Almost surely, 2^28110893 is an apocalyptic number.

It is an amenable number.

28110893 is a deficient number, since it is larger than the sum of its proper divisors (1123027).

28110893 is a wasteful number, since it uses less digits than its factorization.

28110893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6787.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 28110893 is about 5301.9706713636. The cubic root of 28110893 is about 304.0592458687.

The spelling of 28110893 in words is "twenty-eight million, one hundred ten thousand, eight hundred ninety-three".