285484896 has 144 divisors (see below), whose sum is σ = 847514304. Its totient is φ = 91072512.

The previous prime is 285484889. The next prime is 285484919. The reversal of 285484896 is 698484582.

285484896 is a `hidden beast` number, since 2 + 8 + 548 + 4 + 8 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 777705 + ... + 778071.

It is an arithmetic number, because the mean of its divisors is an integer number (5885516).

Almost surely, 2^285484896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285484896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423757152).

285484896 is an abundant number, since it is smaller than the sum of its proper divisors (562029408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285484896 is a wasteful number, since it uses less digits than its factorization.

285484896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 482 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

The square root of 285484896 is about 16896.2982928214. The cubic root of 285484896 is about 658.4574443712.

The spelling of 285484896 in words is "two hundred eighty-five million, four hundred eighty-four thousand, eight hundred ninety-six".