28368395 has 16 divisors (see below), whose sum is σ = 37255680. Its totient is φ = 20565600.

The previous prime is 28368343. The next prime is 28368419. The reversal of 28368395 is 59386382.

It is a de Polignac number, because none of the positive numbers 2^k-28368395 is a prime.

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 in 15 ways as a sum of consecutive naturals, for example, 22430 + ... + 23660.

It is an arithmetic number, because the mean of its divisors is an integer number (2328480).

Almost surely, 2^28368395 is an apocalyptic number.

28368395 is a deficient number, since it is larger than the sum of its proper divisors (8887285).

28368395 is a wasteful number, since it uses less digits than its factorization.

28368395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666.

The product of its digits is 311040, while the sum is 44.

The square root of 28368395 is about 5326.1989260635. The cubic root of 28368395 is about 304.9848420309.

The spelling of 28368395 in words is "twenty-eight million, three hundred sixty-eight thousand, three hundred ninety-five".