284673 has 8 divisors (see below), whose sum is σ = 391936. Its totient is φ = 183600.

The previous prime is 284659. The next prime is 284681. The reversal of 284673 is 376482.

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

It is not a de Polignac number, because 284673 - 2⁴ = 284657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 284673.

It is not an unprimeable number, because it can be changed into a prime (284623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1438 + ... + 1623.

It is an arithmetic number, because the mean of its divisors is an integer number (48992).

It is a Proth number, since it is equal to 139 ⋅ 2¹¹ + 1 and 139 < 2¹¹.

2²⁸⁴⁶⁷³ is an apocalyptic number.

It is an amenable number.

284673 is a deficient number, since it is larger than the sum of its proper divisors (107263).

284673 is a wasteful number, since it uses less digits than its factorization.

284673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3095.

The product of its digits is 8064, while the sum is 30.

The square root of 284673 is about 533.5475611415. The cubic root of 284673 is about 65.7832651769.

Subtracting 284673 from its reverse (376482), we obtain a square (91809 = 303²).

The spelling of 284673 in words is "two hundred eighty-four thousand, six hundred seventy-three".