28366798 has 12 divisors (see below), whose sum is σ = 43970040. Its totient is φ = 13724940.

The previous prime is 28366783. The next prime is 28366801. The reversal of 28366798 is 89766382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5458 + ... + 9301.

It is an arithmetic number, because the mean of its divisors is an integer number (3664170).

Almost surely, 2^28366798 is an apocalyptic number.

28366798 is a deficient number, since it is larger than the sum of its proper divisors (15603242).

28366798 is a wasteful number, since it uses less digits than its factorization.

28366798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14823 (or 14792 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The square root of 28366798 is about 5326.0490046563. The cubic root of 28366798 is about 304.9791188786.

It can be divided in two parts, 283 and 66798, that added together give a square (67081 = 259²).

The spelling of 28366798 in words is "twenty-eight million, three hundred sixty-six thousand, seven hundred ninety-eight".