284685456 has 80 divisors (see below), whose sum is σ = 821018880. Its totient is φ = 84255360.

The previous prime is 284685449. The next prime is 284685461. The reversal of 284685456 is 654586482.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16435 + ... + 28973.

It is an arithmetic number, because the mean of its divisors is an integer number (10262736).

Almost surely, 2^284685456 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 284685456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410509440).

284685456 is an abundant number, since it is smaller than the sum of its proper divisors (536333424).

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

284685456 is a wasteful number, since it uses less digits than its factorization.

284685456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12604 (or 12598 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 48.

The square root of 284685456 is about 16872.6244550159. The cubic root of 284685456 is about 657.8422462210.

The spelling of 284685456 in words is "two hundred eighty-four million, six hundred eighty-five thousand, four hundred fifty-six".