28106119 has 4 divisors (see below), whose sum is σ = 29012800. Its totient is φ = 27199440.

The previous prime is 28106107. The next prime is 28106123. The reversal of 28106119 is 91160182.

It is a happy number.

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 28106119 - 2⁵ = 28106087 is a prime.

It is a super-2 number, since 2×28106119² = 1579907850484322, 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 (28106129) 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, 453294 + ... + 453355.

It is an arithmetic number, because the mean of its divisors is an integer number (7253200).

Almost surely, 2^28106119 is an apocalyptic number.

28106119 is a deficient number, since it is larger than the sum of its proper divisors (906681).

28106119 is an equidigital number, since it uses as much as digits as its factorization.

28106119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906680.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 28106119 is about 5301.5204422882. The cubic root of 28106119 is about 304.0420323634.

The spelling of 28106119 in words is "twenty-eight million, one hundred six thousand, one hundred nineteen".