28752929 has 2 divisors, whose sum is σ = 28752930. Its totient is φ = 28752928.

The previous prime is 28752923. The next prime is 28752937. The reversal of 28752929 is 92925782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14615329 + 14137600 = 3823^2 + 3760^2 .

It is a cyclic number.

It is not a de Polignac number, because 28752929 - 2²⁴ = 11975713 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28752929.

It is not a weakly prime, because it can be changed into another prime (28752923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14376464 + 14376465.

It is an arithmetic number, because the mean of its divisors is an integer number (14376465).

Almost surely, 2^28752929 is an apocalyptic number.

It is an amenable number.

28752929 is a deficient number, since it is larger than the sum of its proper divisors (1).

28752929 is an equidigital number, since it uses as much as digits as its factorization.

28752929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 28752929 is about 5362.1757710840. The cubic root of 28752929 is about 306.3566867504.

The spelling of 28752929 in words is "twenty-eight million, seven hundred fifty-two thousand, nine hundred twenty-nine".