284408 has 16 divisors (see below), whose sum is σ = 541680. Its totient is φ = 139968.

The previous prime is 284407. The next prime is 284413. The reversal of 284408 is 804482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341 + ... + 827.

It is an arithmetic number, because the mean of its divisors is an integer number (33855).

2²⁸⁴⁴⁰⁸ is an apocalyptic number.

It is an amenable number.

284408 is a deficient number, since it is larger than the sum of its proper divisors (257272).

284408 is a wasteful number, since it uses less digits than its factorization.

284408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 284408 is about 533.2991655722. The cubic root of 284408 is about 65.7628464540.

The spelling of 284408 in words is "two hundred eighty-four thousand, four hundred eight".