28535204 has 12 divisors (see below), whose sum is σ = 50999424. Its totient is φ = 13963944.

The previous prime is 28535167. The next prime is 28535261. The reversal of 28535204 is 40253582.

It is an unprimeable number.

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, 75704 + ... + 76079.

It is an arithmetic number, because the mean of its divisors is an integer number (4249952).

Almost surely, 2^28535204 is an apocalyptic number.

It is an amenable number.

28535204 is a deficient number, since it is larger than the sum of its proper divisors (22464220).

28535204 is a wasteful number, since it uses less digits than its factorization.

28535204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151834 (or 151832 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 28535204 is about 5341.8352651500. The cubic root of 28535204 is about 305.5814546324.

Adding to 28535204 its reverse (40253582), we get a palindrome (68788786).

The spelling of 28535204 in words is "twenty-eight million, five hundred thirty-five thousand, two hundred four".