28824923 has 2 divisors, whose sum is σ = 28824924. Its totient is φ = 28824922.

The previous prime is 28824899. The next prime is 28824949. The reversal of 28824923 is 32942882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28824923 - 2¹⁴ = 28808539 is a prime.

It is not a weakly prime, because it can be changed into another prime (28824953) 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, 14412461 + 14412462.

It is an arithmetic number, because the mean of its divisors is an integer number (14412462).

Almost surely, 2^28824923 is an apocalyptic number.

28824923 is a deficient number, since it is larger than the sum of its proper divisors (1).

28824923 is an equidigital number, since it uses as much as digits as its factorization.

28824923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 38.

The square root of 28824923 is about 5368.8847072739. The cubic root of 28824923 is about 306.6121675102.

The spelling of 28824923 in words is "twenty-eight million, eight hundred twenty-four thousand, nine hundred twenty-three".