28027158 has 8 divisors (see below), whose sum is σ = 56054328. Its totient is φ = 9342384.

The previous prime is 28027157. The next prime is 28027159. The reversal of 28027158 is 85172082.

It is an interprime number because it is at equal distance from previous prime (28027157) and next prime (28027159).

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

28027158 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28027157) 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 3 ways as a sum of consecutive naturals, for example, 2335591 + ... + 2335602.

It is an arithmetic number, because the mean of its divisors is an integer number (7006791).

Almost surely, 2^28027158 is an apocalyptic number.

28027158 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28027158 is a wasteful number, since it uses less digits than its factorization.

28027158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4671198.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 28027158 is about 5294.0681899651. The cubic root of 28027158 is about 303.7570412769.

The spelling of 28027158 in words is "twenty-eight million, twenty-seven thousand, one hundred fifty-eight".