28852004 has 12 divisors (see below), whose sum is σ = 50540700. Its totient is φ = 14411808.

The previous prime is 28851997. The next prime is 28852007. The reversal of 28852004 is 40025882.

It can be written as a sum of positive squares in 2 ways, for example, as 17305600 + 11546404 = 4160^2 + 3398^2 .

It is not an unprimeable number, because it can be changed into a prime (28852007) 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 3 ways as a sum of consecutive naturals, for example, 1982 + ... + 7850.

It is an arithmetic number, because the mean of its divisors is an integer number (4211725).

Almost surely, 2^28852004 is an apocalyptic number.

It is an amenable number.

28852004 is a deficient number, since it is larger than the sum of its proper divisors (21688696).

28852004 is a wasteful number, since it uses less digits than its factorization.

28852004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7102 (or 7100 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 28852004 is about 5371.4061473696. The cubic root of 28852004 is about 306.7081581121.

Adding to 28852004 its reverse (40025882), we get a palindrome (68877886).

The spelling of 28852004 in words is "twenty-eight million, eight hundred fifty-two thousand, four".