284572 has 6 divisors (see below), whose sum is σ = 498008. Its totient is φ = 142284.

The previous prime is 284561. The next prime is 284573. The reversal of 284572 is 275482.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 284572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284573) by changing a digit.

284572 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35568 + ... + 35575.

2²⁸⁴⁵⁷² is an apocalyptic number.

It is an amenable number.

284572 is a deficient number, since it is larger than the sum of its proper divisors (213436).

284572 is a wasteful number, since it uses less digits than its factorization.

284572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71147 (or 71145 counting only the distinct ones).

The product of its digits is 4480, while the sum is 28.

The square root of 284572 is about 533.4529032633. The cubic root of 284572 is about 65.7754844417.

The spelling of 284572 in words is "two hundred eighty-four thousand, five hundred seventy-two".