28654304 has 24 divisors (see below), whose sum is σ = 64472688. Its totient is φ = 12280320.

The previous prime is 28654289. The next prime is 28654309. The reversal of 28654304 is 40345682.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28654309) 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, 63737 + ... + 64184.

It is an arithmetic number, because the mean of its divisors is an integer number (2686362).

Almost surely, 2^28654304 is an apocalyptic number.

It is an amenable number.

28654304 is an abundant number, since it is smaller than the sum of its proper divisors (35818384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28654304 is a wasteful number, since it uses less digits than its factorization.

28654304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127938 (or 127930 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 28654304 is about 5352.9715112263. The cubic root of 28654304 is about 306.0060089668.

Adding to 28654304 its reverse (40345682), we get a palindrome (68999986).

The spelling of 28654304 in words is "twenty-eight million, six hundred fifty-four thousand, three hundred four".