28052810 has 16 divisors (see below), whose sum is σ = 51207552. Its totient is φ = 11062800.

The previous prime is 28052809. The next prime is 28052819. The reversal of 28052810 is 1825082.

It is a super-2 number, since 2×28052810² = 1573920297792200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28052810.

It is not an unprimeable number, because it can be changed into a prime (28052819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19046 + ... + 20465.

It is an arithmetic number, because the mean of its divisors is an integer number (3200472).

Almost surely, 2^28052810 is an apocalyptic number.

28052810 is a deficient number, since it is larger than the sum of its proper divisors (23154742).

28052810 is a wasteful number, since it uses less digits than its factorization.

28052810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39589.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 28052810 is about 5296.4903473904. The cubic root of 28052810 is about 303.8496847481.

Adding to 28052810 its reverse (1825082), we get a palindrome (29877892).

The spelling of 28052810 in words is "twenty-eight million, fifty-two thousand, eight hundred ten".