28546768 has 10 divisors (see below), whose sum is σ = 55309394. Its totient is φ = 14273376.

The previous prime is 28546751. The next prime is 28546787. The reversal of 28546768 is 86764582.

It can be written as a sum of positive squares in only one way, i.e., 14348944 + 14197824 = 3788^2 + 3768^2 .

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 as a sum of consecutive naturals, namely, 892071 + ... + 892102.

Almost surely, 2^28546768 is an apocalyptic number.

It is an amenable number.

28546768 is a deficient number, since it is larger than the sum of its proper divisors (26762626).

28546768 is a wasteful number, since it uses less digits than its factorization.

28546768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784181 (or 1784175 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The square root of 28546768 is about 5342.9175550442. The cubic root of 28546768 is about 305.6227284065.

The spelling of 28546768 in words is "twenty-eight million, five hundred forty-six thousand, seven hundred sixty-eight".