28016093 has 12 divisors (see below), whose sum is σ = 34008480. Its totient is φ = 22968792.

The previous prime is 28016083. The next prime is 28016099. The reversal of 28016093 is 39061082.

It is not a de Polignac number, because 28016093 - 2⁶ = 28016029 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 (28016099) 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, 11303 + ... + 13556.

It is an arithmetic number, because the mean of its divisors is an integer number (2834040).

Almost surely, 2^28016093 is an apocalyptic number.

28016093 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

28016093 is a deficient number, since it is larger than the sum of its proper divisors (5992387).

28016093 is a wasteful number, since it uses less digits than its factorization.

28016093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24896 (or 24889 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 28016093 is about 5293.0230492602. The cubic root of 28016093 is about 303.7170620293.

The spelling of 28016093 in words is "twenty-eight million, sixteen thousand, ninety-three".