28285359 has 8 divisors (see below), whose sum is σ = 37739520. Its totient is φ = 18844056.

The previous prime is 28285351. The next prime is 28285363. The reversal of 28285359 is 95358282.

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

It is not a de Polignac number, because 28285359 - 2³ = 28285351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28285359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28285351) 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, 4722 + ... + 8880.

It is an arithmetic number, because the mean of its divisors is an integer number (4717440).

Almost surely, 2^28285359 is an apocalyptic number.

28285359 is a deficient number, since it is larger than the sum of its proper divisors (9454161).

28285359 is a wasteful number, since it uses less digits than its factorization.

28285359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6429.

The product of its digits is 172800, while the sum is 42.

The square root of 28285359 is about 5318.3981611008. The cubic root of 28285359 is about 304.6869815586.

The spelling of 28285359 in words is "twenty-eight million, two hundred eighty-five thousand, three hundred fifty-nine".