284272 has 20 divisors (see below), whose sum is σ = 559240. Its totient is φ = 139968.

The previous prime is 284269. The next prime is 284293. The reversal of 284272 is 272482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1663 + ... + 1825.

It is an arithmetic number, because the mean of its divisors is an integer number (27962).

2²⁸⁴²⁷² is an apocalyptic number.

It is an amenable number.

284272 is a deficient number, since it is larger than the sum of its proper divisors (274968).

284272 is a wasteful number, since it uses less digits than its factorization.

284272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 274 counting only the distinct ones).

The product of its digits is 1792, while the sum is 25.

The square root of 284272 is about 533.1716421566. The cubic root of 284272 is about 65.7523624860.

The spelling of 284272 in words is "two hundred eighty-four thousand, two hundred seventy-two".