28148118 has 8 divisors (see below), whose sum is σ = 56296248. Its totient is φ = 9382704.

The previous prime is 28148117. The next prime is 28148129. The reversal of 28148118 is 81184182.

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

28148118 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28148111) 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, 2345671 + ... + 2345682.

It is an arithmetic number, because the mean of its divisors is an integer number (7037031).

Almost surely, 2^28148118 is an apocalyptic number.

28148118 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.

28148118 is a wasteful number, since it uses less digits than its factorization.

28148118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4691358.

The product of its digits is 4096, while the sum is 33.

The square root of 28148118 is about 5305.4799971350. The cubic root of 28148118 is about 304.1934004233.

The spelling of 28148118 in words is "twenty-eight million, one hundred forty-eight thousand, one hundred eighteen".