28368475 has 12 divisors (see below), whose sum is σ = 35244520. Its totient is φ = 22651200.

The previous prime is 28368469. The next prime is 28368479. The reversal of 28368475 is 57486382.

It is not a de Polignac number, because 28368475 - 2¹⁷ = 28237403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28368479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20815 + ... + 22135.

Almost surely, 2^28368475 is an apocalyptic number.

28368475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28368475 is a deficient number, since it is larger than the sum of its proper divisors (6876045).

28368475 is a wasteful number, since it uses less digits than its factorization.

28368475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190 (or 2185 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 28368475 is about 5326.2064361044. The cubic root of 28368475 is about 304.9851287204.

It can be divided in two parts, 2836 and 8475, that added together give a palindrome (11311).

The spelling of 28368475 in words is "twenty-eight million, three hundred sixty-eight thousand, four hundred seventy-five".