28094159 has 4 divisors (see below), whose sum is σ = 28132320. Its totient is φ = 28056000.

The previous prime is 28094147. The next prime is 28094167. The reversal of 28094159 is 95149082.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28094159 - 2⁸ = 28093903 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 (28094189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17954 + ... + 19455.

It is an arithmetic number, because the mean of its divisors is an integer number (7033080).

Almost surely, 2^28094159 is an apocalyptic number.

28094159 is a deficient number, since it is larger than the sum of its proper divisors (38161).

28094159 is an equidigital number, since it uses as much as digits as its factorization.

28094159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38160.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 28094159 is about 5300.3923439685. The cubic root of 28094159 is about 303.9988998979.

The spelling of 28094159 in words is "twenty-eight million, ninety-four thousand, one hundred fifty-nine".