28528336 has 20 divisors (see below), whose sum is σ = 55389312. Its totient is φ = 14234336.

The previous prime is 28528309. The next prime is 28528351. The reversal of 28528336 is 63382582.

It is a junction number, because it is equal to n+sod(n) for n = 28528295 and 28528304.

It is a congruent number.

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, 7425 + ... + 10591.

Almost surely, 2^28528336 is an apocalyptic number.

It is an amenable number.

28528336 is a deficient number, since it is larger than the sum of its proper divisors (26860976).

28528336 is a wasteful number, since it uses less digits than its factorization.

28528336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3738 (or 3732 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 28528336 is about 5341.1923762396. The cubic root of 28528336 is about 305.5569363586.

The spelling of 28528336 in words is "twenty-eight million, five hundred twenty-eight thousand, three hundred thirty-six".