28662448 has 10 divisors (see below), whose sum is σ = 55533524. Its totient is φ = 14331216.

The previous prime is 28662421. The next prime is 28662461. The reversal of 28662448 is 84426682.

It is a self number, because there is not a number n which added to its sum of digits gives 28662448.

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, 895686 + ... + 895717.

Almost surely, 2^28662448 is an apocalyptic number.

It is an amenable number.

28662448 is a deficient number, since it is larger than the sum of its proper divisors (26871076).

28662448 is a wasteful number, since it uses less digits than its factorization.

28662448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791411 (or 1791405 counting only the distinct ones).

The product of its digits is 147456, while the sum is 40.

The square root of 28662448 is about 5353.7321561692. The cubic root of 28662448 is about 306.0349967805.

The spelling of 28662448 in words is "twenty-eight million, six hundred sixty-two thousand, four hundred forty-eight".