27028191 has 8 divisors (see below), whose sum is σ = 36494080. Its totient is φ = 17790552.

The previous prime is 27028189. The next prime is 27028193. The reversal of 27028191 is 19182072.

It is an interprime number because it is at equal distance from previous prime (27028189) and next prime (27028193).

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

It is not a de Polignac number, because 27028191 - 2¹ = 27028189 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 (27028193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56785 + ... + 57258.

It is an arithmetic number, because the mean of its divisors is an integer number (4561760).

Almost surely, 2^27028191 is an apocalyptic number.

27028191 is a deficient number, since it is larger than the sum of its proper divisors (9465889).

27028191 is a wasteful number, since it uses less digits than its factorization.

27028191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114125.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 27028191 is about 5198.8643952309. The cubic root of 27028191 is about 300.1043747932.

The spelling of 27028191 in words is "twenty-seven million, twenty-eight thousand, one hundred ninety-one".