28411304 has 16 divisors (see below), whose sum is σ = 54510720. Its totient is φ = 13875120.

The previous prime is 28411303. The next prime is 28411309. The reversal of 28411304 is 40311482.

It is a self number, because there is not a number n which added to its sum of digits gives 28411304.

It is not an unprimeable number, because it can be changed into a prime (28411303) 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, 40952 + ... + 41639.

It is an arithmetic number, because the mean of its divisors is an integer number (3406920).

Almost surely, 2^28411304 is an apocalyptic number.

It is an amenable number.

28411304 is a deficient number, since it is larger than the sum of its proper divisors (26099416).

28411304 is a wasteful number, since it uses less digits than its factorization.

28411304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82640 (or 82636 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 28411304 is about 5330.2255111768. The cubic root of 28411304 is about 305.1385342181.

Adding to 28411304 its reverse (40311482), we get a palindrome (68722786).

The spelling of 28411304 in words is "twenty-eight million, four hundred eleven thousand, three hundred four".