284155 has 8 divisors (see below), whose sum is σ = 361152. Its totient is φ = 213888.

The previous prime is 284153. The next prime is 284159. The reversal of 284155 is 551482.

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

It is a cyclic number.

It is not a de Polignac number, because 284155 - 2¹ = 284153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (284153) 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, 1587 + ... + 1756.

It is an arithmetic number, because the mean of its divisors is an integer number (45144).

2²⁸⁴¹⁵⁵ is an apocalyptic number.

284155 is a deficient number, since it is larger than the sum of its proper divisors (76997).

284155 is a wasteful number, since it uses less digits than its factorization.

284155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3365.

The product of its digits is 1600, while the sum is 25.

The square root of 284155 is about 533.0619101005. The cubic root of 284155 is about 65.7433405140.

The spelling of 284155 in words is "two hundred eighty-four thousand, one hundred fifty-five".