28850273 has 4 divisors (see below), whose sum is σ = 29845140. Its totient is φ = 27855408.

The previous prime is 28850251. The next prime is 28850279. The reversal of 28850273 is 37205882.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11444689 + 17405584 = 3383^2 + 4172^2 .

It is a cyclic number.

It is not a de Polignac number, because 28850273 - 2¹⁶ = 28784737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28850279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497390 + ... + 497447.

It is an arithmetic number, because the mean of its divisors is an integer number (7461285).

Almost surely, 2^28850273 is an apocalyptic number.

It is an amenable number.

28850273 is a deficient number, since it is larger than the sum of its proper divisors (994867).

28850273 is an equidigital number, since it uses as much as digits as its factorization.

28850273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994866.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 28850273 is about 5371.2450139609. The cubic root of 28850273 is about 306.7020242524.

The spelling of 28850273 in words is "twenty-eight million, eight hundred fifty thousand, two hundred seventy-three".