28852605 has 24 divisors (see below), whose sum is σ = 51865632. Its totient is φ = 15387408.

The previous prime is 28852601. The next prime is 28852631. The reversal of 28852605 is 50625882.

It is not a de Polignac number, because 28852605 - 2² = 28852601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28852605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28852601) 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 in 23 ways as a sum of consecutive naturals, for example, 10659 + ... + 13088.

It is an arithmetic number, because the mean of its divisors is an integer number (2161068).

Almost surely, 2^28852605 is an apocalyptic number.

It is an amenable number.

28852605 is a deficient number, since it is larger than the sum of its proper divisors (23013027).

28852605 is an equidigital number, since it uses as much as digits as its factorization.

28852605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23767 (or 23755 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 28852605 is about 5371.4620914608. The cubic root of 28852605 is about 306.7102877195.

The spelling of 28852605 in words is "twenty-eight million, eight hundred fifty-two thousand, six hundred five".