28063304 has 16 divisors (see below), whose sum is σ = 55388400. Its totient is φ = 13293072.

The previous prime is 28063303. The next prime is 28063309. The reversal of 28063304 is 40336082.

28063304 = 741² + 742² + ... + 788².

It is not an unprimeable number, because it can be changed into a prime (28063303) 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 3 ways as a sum of consecutive naturals, for example, 92162 + ... + 92465.

It is an arithmetic number, because the mean of its divisors is an integer number (3461775).

Almost surely, 2^28063304 is an apocalyptic number.

It is an amenable number.

28063304 is a deficient number, since it is larger than the sum of its proper divisors (27325096).

28063304 is a wasteful number, since it uses less digits than its factorization.

28063304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184652 (or 184648 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 28063304 is about 5297.4809107726. The cubic root of 28063304 is about 303.8875680722.

Adding to 28063304 its reverse (40336082), we get a palindrome (68399386).

The spelling of 28063304 in words is "twenty-eight million, sixty-three thousand, three hundred four".