28205468 has 6 divisors (see below), whose sum is σ = 49359576. Its totient is φ = 14102732.

The previous prime is 28205467. The next prime is 28205473. The reversal of 28205468 is 86450282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28205467) 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 as a sum of consecutive naturals, namely, 3525680 + ... + 3525687.

It is an arithmetic number, because the mean of its divisors is an integer number (8226596).

Almost surely, 2^28205468 is an apocalyptic number.

It is an amenable number.

28205468 is a deficient number, since it is larger than the sum of its proper divisors (21154108).

28205468 is a wasteful number, since it uses less digits than its factorization.

28205468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7051371 (or 7051369 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 28205468 is about 5310.8820359710. The cubic root of 28205468 is about 304.3998518444.

The spelling of 28205468 in words is "twenty-eight million, two hundred five thousand, four hundred sixty-eight".