28095189 has 4 divisors (see below), whose sum is σ = 37460256. Its totient is φ = 18730124.

The previous prime is 28095163. The next prime is 28095191. The reversal of 28095189 is 98159082.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28095189 - 2⁷ = 28095061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28095189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28095149) 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, 4682529 + ... + 4682534.

It is an arithmetic number, because the mean of its divisors is an integer number (9365064).

Almost surely, 2^28095189 is an apocalyptic number.

It is an amenable number.

28095189 is a deficient number, since it is larger than the sum of its proper divisors (9365067).

28095189 is an equidigital number, since it uses as much as digits as its factorization.

28095189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9365066.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 28095189 is about 5300.4895056966. The cubic root of 28095189 is about 304.0026149648.

The spelling of 28095189 in words is "twenty-eight million, ninety-five thousand, one hundred eighty-nine".