28814118 has 8 divisors (see below), whose sum is σ = 57628248. Its totient is φ = 9604704.

The previous prime is 28814077. The next prime is 28814129. The reversal of 28814118 is 81141882.

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

28814118 is an admirable number.

It is a super-2 number, since 2×28814118² = 1660506792235848, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2401171 + ... + 2401182.

It is an arithmetic number, because the mean of its divisors is an integer number (7203531).

Almost surely, 2^28814118 is an apocalyptic number.

28814118 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.

28814118 is a wasteful number, since it uses less digits than its factorization.

28814118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4802358.

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

The square root of 28814118 is about 5367.8783518258. The cubic root of 28814118 is about 306.5738516113.

The spelling of 28814118 in words is "twenty-eight million, eight hundred fourteen thousand, one hundred eighteen".