28366485 has 16 divisors (see below), whose sum is σ = 51870336. Its totient is φ = 12967488.

The previous prime is 28366469. The next prime is 28366511. The reversal of 28366485 is 58466382.

It is not a de Polignac number, because 28366485 - 2⁴ = 28366469 is a prime.

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 in 15 ways as a sum of consecutive naturals, for example, 134974 + ... + 135183.

It is an arithmetic number, because the mean of its divisors is an integer number (3241896).

Almost surely, 2^28366485 is an apocalyptic number.

It is an amenable number.

28366485 is a deficient number, since it is larger than the sum of its proper divisors (23503851).

28366485 is a wasteful number, since it uses less digits than its factorization.

28366485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270172.

The product of its digits is 276480, while the sum is 42.

The square root of 28366485 is about 5326.0196206924. The cubic root of 28366485 is about 304.9779971586.

The spelling of 28366485 in words is "twenty-eight million, three hundred sixty-six thousand, four hundred eighty-five".