284656 has 10 divisors (see below), whose sum is σ = 551552. Its totient is φ = 142320.

The previous prime is 284651. The next prime is 284657. The reversal of 284656 is 656482.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 284656.

It is not an unprimeable number, because it can be changed into a prime (284651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8880 + ... + 8911.

2²⁸⁴⁶⁵⁶ is an apocalyptic number.

It is an amenable number.

284656 is a deficient number, since it is larger than the sum of its proper divisors (266896).

284656 is a wasteful number, since it uses less digits than its factorization.

284656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17799 (or 17793 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 284656 is about 533.5316298028. The cubic root of 284656 is about 65.7819556771.

The spelling of 284656 in words is "two hundred eighty-four thousand, six hundred fifty-six".