28194283 has 16 divisors (see below), whose sum is σ = 32091136. Its totient is φ = 24585120.

The previous prime is 28194281. The next prime is 28194301. The reversal of 28194283 is 38249182.

It is a cyclic number.

It is not a de Polignac number, because 28194283 - 2¹ = 28194281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28194281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16516 + ... + 18142.

It is an arithmetic number, because the mean of its divisors is an integer number (2005696).

Almost surely, 2^28194283 is an apocalyptic number.

28194283 is a deficient number, since it is larger than the sum of its proper divisors (3896853).

28194283 is a wasteful number, since it uses less digits than its factorization.

28194283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714.

The product of its digits is 27648, while the sum is 37.

The square root of 28194283 is about 5309.8289049648. The cubic root of 28194283 is about 304.3596094997.

The spelling of 28194283 in words is "twenty-eight million, one hundred ninety-four thousand, two hundred eighty-three".