28823134 has 4 divisors (see below), whose sum is σ = 43234704. Its totient is φ = 14411566.

The previous prime is 28823131. The next prime is 28823141. The reversal of 28823134 is 43132882.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 28823096 and 28823105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28823131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7205782 + ... + 7205785.

It is an arithmetic number, because the mean of its divisors is an integer number (10808676).

Almost surely, 2^28823134 is an apocalyptic number.

28823134 is a deficient number, since it is larger than the sum of its proper divisors (14411570).

28823134 is a wasteful number, since it uses less digits than its factorization.

28823134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14411569.

The product of its digits is 9216, while the sum is 31.

The square root of 28823134 is about 5368.7180965292. The cubic root of 28823134 is about 306.6058241511.

The spelling of 28823134 in words is "twenty-eight million, eight hundred twenty-three thousand, one hundred thirty-four".