28085182 has 4 divisors (see below), whose sum is σ = 42127776. Its totient is φ = 14042590.

The previous prime is 28085153. The next prime is 28085191. The reversal of 28085182 is 28158082.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7021294 + ... + 7021297.

It is an arithmetic number, because the mean of its divisors is an integer number (10531944).

Almost surely, 2^28085182 is an apocalyptic number.

28085182 is a deficient number, since it is larger than the sum of its proper divisors (14042594).

28085182 is a wasteful number, since it uses less digits than its factorization.

28085182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14042593.

The product of its (nonzero) digits is 10240, while the sum is 34.

The square root of 28085182 is about 5299.5454522063. The cubic root of 28085182 is about 303.9665172611.

Subtracting 28085182 from its reverse (28158082), we obtain a square (72900 = 270²).

The spelling of 28085182 in words is "twenty-eight million, eighty-five thousand, one hundred eighty-two".