28368355 has 16 divisors (see below), whose sum is σ = 34828128. Its totient is φ = 22176000.

The previous prime is 28368343. The next prime is 28368419. The reversal of 28368355 is 55386382.

It is a happy number.

It is not a de Polignac number, because 28368355 - 2¹¹ = 28366307 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85540 + ... + 85870.

It is an arithmetic number, because the mean of its divisors is an integer number (2176758).

Almost surely, 2^28368355 is an apocalyptic number.

28368355 is a deficient number, since it is larger than the sum of its proper divisors (6459773).

28368355 is a wasteful number, since it uses less digits than its factorization.

28368355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678.

The product of its digits is 172800, while the sum is 40.

The square root of 28368355 is about 5326.1951710391. The cubic root of 28368355 is about 304.9846986859.

The spelling of 28368355 in words is "twenty-eight million, three hundred sixty-eight thousand, three hundred fifty-five".