284401 has 8 divisors (see below), whose sum is σ = 310464. Its totient is φ = 258960.

The previous prime is 284387. The next prime is 284407. The reversal of 284401 is 104482.

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

It is not a de Polignac number, because 284401 - 2⁵ = 284369 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 1620 + ... + 1786.

It is an arithmetic number, because the mean of its divisors is an integer number (38808).

2²⁸⁴⁴⁰¹ is an apocalyptic number.

It is an amenable number.

284401 is a deficient number, since it is larger than the sum of its proper divisors (26063).

284401 is a wasteful number, since it uses less digits than its factorization.

284401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 284401 is about 533.2926026114. The cubic root of 284401 is about 65.7623069196.

Adding to 284401 its reverse (104482), we get a palindrome (388883).

It can be divided in two parts, 28440 and 1, that added together give a triangular number (28441 = T₂₃₈).

The spelling of 284401 in words is "two hundred eighty-four thousand, four hundred one".