28823267 has 16 divisors (see below), whose sum is σ = 32389632. Its totient is φ = 25425120.

The previous prime is 28823261. The next prime is 28823269. The reversal of 28823267 is 76232882.

It is not a de Polignac number, because 28823267 - 2⁴ = 28823251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28823267.

It is not an unprimeable number, because it can be changed into a prime (28823261) 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 in 15 ways as a sum of consecutive naturals, for example, 101708 + ... + 101990.

It is an arithmetic number, because the mean of its divisors is an integer number (2024352).

Almost surely, 2^28823267 is an apocalyptic number.

28823267 is a deficient number, since it is larger than the sum of its proper divisors (3566365).

28823267 is a wasteful number, since it uses less digits than its factorization.

28823267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538.

The product of its digits is 64512, while the sum is 38.

The square root of 28823267 is about 5368.7304830844. The cubic root of 28823267 is about 306.6062957458.

The spelling of 28823267 in words is "twenty-eight million, eight hundred twenty-three thousand, two hundred sixty-seven".