28204383 has 8 divisors (see below), whose sum is σ = 37749888. Its totient is φ = 18730904.

The previous prime is 28204369. The next prime is 28204391. The reversal of 28204383 is 38340282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28204383 - 2⁹ = 28203871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28204383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28204333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17085 + ... + 18662.

It is an arithmetic number, because the mean of its divisors is an integer number (4718736).

Almost surely, 2^28204383 is an apocalyptic number.

28204383 is a deficient number, since it is larger than the sum of its proper divisors (9545505).

28204383 is a wasteful number, since it uses less digits than its factorization.

28204383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36013.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 28204383 is about 5310.7798862314. The cubic root of 28204383 is about 304.3959486051.

The spelling of 28204383 in words is "twenty-eight million, two hundred four thousand, three hundred eighty-three".