28814119 has 4 divisors (see below), whose sum is σ = 28828744. Its totient is φ = 28799496.

The previous prime is 28814077. The next prime is 28814129. The reversal of 28814119 is 91141882.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28814119 - 2⁷ = 28813991 is a prime.

It is a super-2 number, since 2×28814119² = 1660506907492322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28814129) 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, 3792 + ... + 8485.

It is an arithmetic number, because the mean of its divisors is an integer number (7207186).

Almost surely, 2^28814119 is an apocalyptic number.

28814119 is a deficient number, since it is larger than the sum of its proper divisors (14625).

28814119 is a wasteful number, since it uses less digits than its factorization.

28814119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14624.

The product of its digits is 4608, while the sum is 34.

The square root of 28814119 is about 5367.8784449725. The cubic root of 28814119 is about 306.5738551578.

The spelling of 28814119 in words is "twenty-eight million, eight hundred fourteen thousand, one hundred nineteen".