28819119 has 16 divisors (see below), whose sum is σ = 45332480. Its totient is φ = 15936480.

The previous prime is 28819111. The next prime is 28819123. The reversal of 28819119 is 91191882.

28819119 = T₂₈₆₆ + T₂₈₆₇ + ... + T₂₈₇₂.

It is not a de Polignac number, because 28819119 - 2³ = 28819111 is a prime.

It is a super-3 number, since 3×28819119³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28819111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21484 + ... + 22785.

It is an arithmetic number, because the mean of its divisors is an integer number (2833280).

Almost surely, 2^28819119 is an apocalyptic number.

28819119 is a deficient number, since it is larger than the sum of its proper divisors (16513361).

28819119 is a wasteful number, since it uses less digits than its factorization.

28819119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44310.

The product of its digits is 10368, while the sum is 39.

The square root of 28819119 is about 5368.3441581180. The cubic root of 28819119 is about 306.5915869814.

The spelling of 28819119 in words is "twenty-eight million, eight hundred nineteen thousand, one hundred nineteen".